230927690 has 24 divisors (see below), whose sum is σ = 483535332. Its totient is φ = 79175040.

The previous prime is 230927651. The next prime is 230927699. The reversal of 230927690 is 96729032.

It can be written as a sum of positive squares in 2 ways, for example, as 228402769 + 2524921 = 15113^2 + 1589^2 .

It is a super-2 number, since 2×230927690² = 106655196017472200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (230927699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235151 + ... + 236130.

Almost surely, 2^230927690 is an apocalyptic number.

230927690 is an abundant number, since it is smaller than the sum of its proper divisors (252607642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230927690 is a wasteful number, since it uses less digits than its factorization.

230927690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471302 (or 471295 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 230927690 is about 15196.3051430274. The cubic root of 230927690 is about 613.5152143191.

The spelling of 230927690 in words is "two hundred thirty million, nine hundred twenty-seven thousand, six hundred ninety".