63857460 has 48 divisors (see below), whose sum is σ = 179899776. Its totient is φ = 16924032.

The previous prime is 63857441. The next prime is 63857473. The reversal of 63857460 is 6475836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6834 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (3747912).

Almost surely, 2^63857460 is an apocalyptic number.

63857460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63857460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89949888).

63857460 is an abundant number, since it is smaller than the sum of its proper divisors (116042316).

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

63857460 is a wasteful number, since it uses less digits than its factorization.

63857460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552 (or 6550 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 63857460 is about 7991.0862841043. The cubic root of 63857460 is about 399.7028209328.

The spelling of 63857460 in words is "sixty-three million, eight hundred fifty-seven thousand, four hundred sixty".