232155406 has 8 divisors (see below), whose sum is σ = 397980720. Its totient is φ = 99495168.

The previous prime is 232155401. The next prime is 232155421. The reversal of 232155406 is 604551232.

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

It is a super-2 number, since 2×232155406² = 107792265070049672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232155401) 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, 8291251 + ... + 8291278.

It is an arithmetic number, because the mean of its divisors is an integer number (49747590).

Almost surely, 2^232155406 is an apocalyptic number.

232155406 is a deficient number, since it is larger than the sum of its proper divisors (165825314).

232155406 is a wasteful number, since it uses less digits than its factorization.

232155406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16582538.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 232155406 is about 15236.6468095838. The cubic root of 232155406 is about 614.6005346486.

The spelling of 232155406 in words is "two hundred thirty-two million, one hundred fifty-five thousand, four hundred six".