57386942 has 8 divisors (see below), whose sum is σ = 86457000. Its totient is φ = 28567944.

The previous prime is 57386941. The next prime is 57386977. The reversal of 57386942 is 24968375.

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

It is a super-2 number, since 2×57386942² = 6586522224222728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57386893 and 57386902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57386941) 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, 62192 + ... + 63107.

It is an arithmetic number, because the mean of its divisors is an integer number (10807125).

Almost surely, 2^57386942 is an apocalyptic number.

57386942 is a deficient number, since it is larger than the sum of its proper divisors (29070058).

57386942 is a wasteful number, since it uses less digits than its factorization.

57386942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125530.

The product of its digits is 362880, while the sum is 44.

The square root of 57386942 is about 7575.4169522212. The cubic root of 57386942 is about 385.7189959971.

The spelling of 57386942 in words is "fifty-seven million, three hundred eighty-six thousand, nine hundred forty-two".