63404616 has 32 divisors (see below), whose sum is σ = 172922400. Its totient is φ = 19213440.

The previous prime is 63404599. The next prime is 63404617. The reversal of 63404616 is 61640436.

It is not an unprimeable number, because it can be changed into a prime (63404617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119821 + ... + 120348.

It is an arithmetic number, because the mean of its divisors is an integer number (5403825).

Almost surely, 2^63404616 is an apocalyptic number.

63404616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

63404616 is an abundant number, since it is smaller than the sum of its proper divisors (109517784).

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

63404616 is a wasteful number, since it uses less digits than its factorization.

63404616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240189 (or 240185 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 63404616 is about 7962.7015516092. The cubic root of 63404616 is about 398.7557502864.

The spelling of 63404616 in words is "sixty-three million, four hundred four thousand, six hundred sixteen".