234487969 has 3 divisors (see below), whose sum is σ = 234503283. Its totient is φ = 234472656.

The previous prime is 234487951. The next prime is 234487973. The reversal of 234487969 is 969784432.

It is a happy number.

The square root of 234487969 is 15313.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 30625 + 234457344 = 175^2 + 15312^2 .

It is not a de Polignac number, because 234487969 - 2²⁷ = 100270241 is a prime.

It is a super-2 number, since 2×234487969² = 109969215211489922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234484969) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7657 + ... + 22969.

It is an arithmetic number, because the mean of its divisors is an integer number (78167761).

Almost surely, 2^234487969 is an apocalyptic number.

234487969 is the 15313-rd square number.

234487969 is the 7657-th centered octagonal number.

It is an amenable number.

234487969 is a deficient number, since it is larger than the sum of its proper divisors (15314).

234487969 is an frugal number, since it uses more digits than its factorization.

234487969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30626 (or 15313 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The cubic root of 234487969 is about 616.6520624088.

It can be divided in two parts, 234487 and 969, that multiplied together give a triangular number (227217903 = T₂₁₃₁₇).

The spelling of 234487969 in words is "two hundred thirty-four million, four hundred eighty-seven thousand, nine hundred sixty-nine".