64033398 has 48 divisors (see below), whose sum is σ = 163000656. Its totient is φ = 17910720.

The previous prime is 64033379. The next prime is 64033423. The reversal of 64033398 is 89333046.

64033398 is a `hidden beast` number, since 640 + 3 + 3 + 3 + 9 + 8 = 666.

64033398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 9865 + ... + 15012.

It is an arithmetic number, because the mean of its divisors is an integer number (3395847).

Almost surely, 2^64033398 is an apocalyptic number.

64033398 is an abundant number, since it is smaller than the sum of its proper divisors (98967258).

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

64033398 is a wasteful number, since it uses less digits than its factorization.

64033398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24909 (or 24906 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 64033398 is about 8002.0871027501. The cubic root of 64033398 is about 400.0695670670.

It can be divided in two parts, 6403 and 3398, that added together give a square (9801 = 99²).

The spelling of 64033398 in words is "sixty-four million, thirty-three thousand, three hundred ninety-eight".