232886989 has 4 divisors (see below), whose sum is σ = 233263840. Its totient is φ = 232510140.

The previous prime is 232886987. The next prime is 232886993. The reversal of 232886989 is 989688232.

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 232886989 - 2¹ = 232886987 is a prime.

It is a super-2 number, since 2×232886989² = 108472699290972242, 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 (232886981) 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, 187497 + ... + 188734.

It is an arithmetic number, because the mean of its divisors is an integer number (58315960).

Almost surely, 2^232886989 is an apocalyptic number.

It is an amenable number.

232886989 is a deficient number, since it is larger than the sum of its proper divisors (376851).

232886989 is an equidigital number, since it uses as much as digits as its factorization.

232886989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376850.

The product of its digits is 2985984, while the sum is 55.

The square root of 232886989 is about 15260.6352751122. The cubic root of 232886989 is about 615.2454472289.

The spelling of 232886989 in words is "two hundred thirty-two million, eight hundred eighty-six thousand, nine hundred eighty-nine".