234759989 has 4 divisors (see below), whose sum is σ = 235976556. Its totient is φ = 233543424.

The previous prime is 234759937. The next prime is 234760063. The reversal of 234759989 is 989957432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127803025 + 106956964 = 11305^2 + 10342^2 .

It is a cyclic number.

It is not a de Polignac number, because 234759989 - 2¹² = 234755893 is a prime.

It is a super-2 number, since 2×234759989² = 110224504870560242, 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 (234759389) 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, 607994 + ... + 608379.

It is an arithmetic number, because the mean of its divisors is an integer number (58994139).

Almost surely, 2^234759989 is an apocalyptic number.

It is an amenable number.

234759989 is a deficient number, since it is larger than the sum of its proper divisors (1216567).

234759989 is a wasteful number, since it uses less digits than its factorization.

234759989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216566.

The product of its digits is 4898880, while the sum is 56.

The square root of 234759989 is about 15321.8794212721. The cubic root of 234759989 is about 616.8904212935.

The spelling of 234759989 in words is "two hundred thirty-four million, seven hundred fifty-nine thousand, nine hundred eighty-nine".