64253884 has 6 divisors (see below), whose sum is σ = 112444304. Its totient is φ = 32126940.

The previous prime is 64253851. The next prime is 64253899. The reversal of 64253884 is 48835246.

It is a super-3 number, since 3×64253884³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8031732 + ... + 8031739.

Almost surely, 2^64253884 is an apocalyptic number.

It is an amenable number.

64253884 is a deficient number, since it is larger than the sum of its proper divisors (48190420).

64253884 is a wasteful number, since it uses less digits than its factorization.

64253884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16063475 (or 16063473 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 64253884 is about 8015.8520445427. The cubic root of 64253884 is about 400.5282271332.

The spelling of 64253884 in words is "sixty-four million, two hundred fifty-three thousand, eight hundred eighty-four".