234399469 has 4 divisors (see below), whose sum is σ = 236675296. Its totient is φ = 232123644.

The previous prime is 234399467. The next prime is 234399491. The reversal of 234399469 is 964993432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234399469 - 2¹ = 234399467 is a prime.

It is a super-2 number, since 2×234399469² = 109886222134963922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234399461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137759 + ... + 1137964.

It is an arithmetic number, because the mean of its divisors is an integer number (59168824).

Almost surely, 2^234399469 is an apocalyptic number.

It is an amenable number.

234399469 is a deficient number, since it is larger than the sum of its proper divisors (2275827).

234399469 is a wasteful number, since it uses less digits than its factorization.

234399469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275826.

The product of its digits is 1259712, while the sum is 49.

The square root of 234399469 is about 15310.1100257314. The cubic root of 234399469 is about 616.5744741002.

The spelling of 234399469 in words is "two hundred thirty-four million, three hundred ninety-nine thousand, four hundred sixty-nine".