64484928 has 42 divisors (see below), whose sum is σ = 184836054. Its totient is φ = 21494784.

The previous prime is 64484873. The next prime is 64484957. The reversal of 64484928 is 82948446.

It can be written as a sum of positive squares in only one way, i.e., 47444544 + 17040384 = 6888^2 + 4128^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55401 + ... + 56552.

Almost surely, 2^64484928 is an apocalyptic number.

It is an amenable number.

64484928 is an abundant number, since it is smaller than the sum of its proper divisors (120351126).

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

64484928 is a wasteful number, since it uses less digits than its factorization.

64484928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111971 (or 111958 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 64484928 is about 8030.2508055477. The cubic root of 64484928 is about 401.0077257567.

The spelling of 64484928 in words is "sixty-four million, four hundred eighty-four thousand, nine hundred twenty-eight".