64380896 has 12 divisors (see below), whose sum is σ = 126749952. Its totient is φ = 32190432.

The previous prime is 64380881. The next prime is 64380907. The reversal of 64380896 is 69808346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005920 + ... + 1005983.

It is an arithmetic number, because the mean of its divisors is an integer number (10562496).

Almost surely, 2^64380896 is an apocalyptic number.

It is an amenable number.

64380896 is a deficient number, since it is larger than the sum of its proper divisors (62369056).

64380896 is a wasteful number, since it uses less digits than its factorization.

64380896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011913 (or 2011905 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 64380896 is about 8023.7706846594. The cubic root of 64380896 is about 400.7919642799.

The spelling of 64380896 in words is "sixty-four million, three hundred eighty thousand, eight hundred ninety-six".