57698402 has 8 divisors (see below), whose sum is σ = 91102800. Its totient is φ = 27330804.

The previous prime is 57698369. The next prime is 57698411. The reversal of 57698402 is 20489675.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57698402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759152 + ... + 759227.

It is an arithmetic number, because the mean of its divisors is an integer number (11387850).

Almost surely, 2^57698402 is an apocalyptic number.

57698402 is a deficient number, since it is larger than the sum of its proper divisors (33404398).

57698402 is a wasteful number, since it uses less digits than its factorization.

57698402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518400.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 57698402 is about 7595.9464189790. The cubic root of 57698402 is about 386.4155502217.

The spelling of 57698402 in words is "fifty-seven million, six hundred ninety-eight thousand, four hundred two".