57998906 has 64 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 22317120.

The previous prime is 57998903. The next prime is 57998929. The reversal of 57998906 is 60989975.

It is not an unprimeable number, because it can be changed into a prime (57998903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698741 + ... + 698823.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^57998906 is an apocalyptic number.

57998906 is a deficient number, since it is larger than the sum of its proper divisors (52316614).

57998906 is a wasteful number, since it uses less digits than its factorization.

57998906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 57998906 is about 7615.7012809064. The cubic root of 57998906 is about 387.0852302894.

The spelling of 57998906 in words is "fifty-seven million, nine hundred ninety-eight thousand, nine hundred six".