63899334 has 32 divisors (see below), whose sum is σ = 142284000. Its totient is φ = 21256992.

The previous prime is 63899327. The next prime is 63899357. The reversal of 63899334 is 43399836.

63899334 is a `hidden beast` number, since 638 + 9 + 9 + 3 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 63899334.

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, 37452 + ... + 39120.

It is an arithmetic number, because the mean of its divisors is an integer number (4446375).

Almost surely, 2^63899334 is an apocalyptic number.

63899334 is an abundant number, since it is smaller than the sum of its proper divisors (78384666).

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

63899334 is a wasteful number, since it uses less digits than its factorization.

63899334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389 (or 2383 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 63899334 is about 7993.7058990183. The cubic root of 63899334 is about 399.7901691134.

The spelling of 63899334 in words is "sixty-three million, eight hundred ninety-nine thousand, three hundred thirty-four".