63890328 has 16 divisors (see below), whose sum is σ = 159725880. Its totient is φ = 21296768.

The previous prime is 63890317. The next prime is 63890339. The reversal of 63890328 is 82309836.

It is an interprime number because it is at equal distance from previous prime (63890317) and next prime (63890339).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331025 + ... + 1331072.

Almost surely, 2^63890328 is an apocalyptic number.

It is an amenable number.

63890328 is an abundant number, since it is smaller than the sum of its proper divisors (95835552).

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

63890328 is a wasteful number, since it uses less digits than its factorization.

63890328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662106 (or 2662102 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 63890328 is about 7993.1425609706. The cubic root of 63890328 is about 399.7713860307.

The spelling of 63890328 in words is "sixty-three million, eight hundred ninety thousand, three hundred twenty-eight".