57846438 has 48 divisors (see below), whose sum is σ = 138138000. Its totient is φ = 17381952.

The previous prime is 57846433. The next prime is 57846443. The reversal of 57846438 is 83464875.

57846438 is a `hidden beast` number, since 578 + 46 + 4 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (57846433) and next prime (57846443).

It is a junction number, because it is equal to n+sod(n) for n = 57846393 and 57846402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57846433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7188 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (2877875).

Almost surely, 2^57846438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57846438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69069000).

57846438 is an abundant number, since it is smaller than the sum of its proper divisors (80291562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57846438 is a wasteful number, since it uses less digits than its factorization.

57846438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813 (or 5810 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 57846438 is about 7605.6845845723. The cubic root of 57846438 is about 386.7457416887.

The spelling of 57846438 in words is "fifty-seven million, eight hundred forty-six thousand, four hundred thirty-eight".