232578490 has 8 divisors (see below), whose sum is σ = 418641300. Its totient is φ = 93031392.

The previous prime is 232578439. The next prime is 232578491. The reversal of 232578490 is 94875232.

It can be written as a sum of positive squares in 2 ways, for example, as 232349049 + 229441 = 15243^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (232578491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11628915 + ... + 11628934.

Almost surely, 2^232578490 is an apocalyptic number.

232578490 is a deficient number, since it is larger than the sum of its proper divisors (186062810).

232578490 is a wasteful number, since it uses less digits than its factorization.

232578490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23257856.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 232578490 is about 15250.5242532839. The cubic root of 232578490 is about 614.9736609338.

The spelling of 232578490 in words is "two hundred thirty-two million, five hundred seventy-eight thousand, four hundred ninety".