63404046 has 28 divisors (see below), whose sum is σ = 142597152. Its totient is φ = 21134196.

The previous prime is 63404041. The next prime is 63404093. The reversal of 63404046 is 64040436.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63404041) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 20286 + ... + 23201.

Almost surely, 2^63404046 is an apocalyptic number.

63404046 is an abundant number, since it is smaller than the sum of its proper divisors (79193106).

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

63404046 is an equidigital number, since it uses as much as digits as its factorization.

63404046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43507 (or 43492 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 63404046 is about 7962.6657596561. The cubic root of 63404046 is about 398.7545553605.

The spelling of 63404046 in words is "sixty-three million, four hundred four thousand, forty-six".