65038998 has 16 divisors (see below), whose sum is σ = 130178160. Its totient is φ = 21662976.

The previous prime is 65038979. The next prime is 65039017. The reversal of 65038998 is 89983056.

65038998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65038979) and next prime (65039017).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6286 + ... + 13022.

It is an arithmetic number, because the mean of its divisors is an integer number (8136135).

Almost surely, 2^65038998 is an apocalyptic number.

65038998 is an abundant number, since it is smaller than the sum of its proper divisors (65139162).

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

65038998 is a wasteful number, since it uses less digits than its factorization.

65038998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 65038998 is about 8064.6759389327. The cubic root of 65038998 is about 402.1529701744.

The spelling of 65038998 in words is "sixty-five million, thirty-eight thousand, nine hundred ninety-eight".