64090328 has 32 divisors (see below), whose sum is σ = 128079360. Its totient is φ = 29995680.

The previous prime is 64090307. The next prime is 64090333. The reversal of 64090328 is 82309046.

It is a junction number, because it is equal to n+sod(n) for n = 64090294 and 64090303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4943 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (4002480).

Almost surely, 2^64090328 is an apocalyptic number.

It is an amenable number.

64090328 is a deficient number, since it is larger than the sum of its proper divisors (63989032).

64090328 is a wasteful number, since it uses less digits than its factorization.

64090328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7487 (or 7483 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64090328 is about 8005.6435094251. The cubic root of 64090328 is about 400.1880948703.

The spelling of 64090328 in words is "sixty-four million, ninety thousand, three hundred twenty-eight".