64409804 has 12 divisors (see below), whose sum is σ = 119347704. Its totient is φ = 30310464.

The previous prime is 64409801. The next prime is 64409819. The reversal of 64409804 is 40890446.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64409801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473534 + ... + 473669.

It is an arithmetic number, because the mean of its divisors is an integer number (9945642).

Almost surely, 2^64409804 is an apocalyptic number.

It is an amenable number.

64409804 is a deficient number, since it is larger than the sum of its proper divisors (54937900).

64409804 is a wasteful number, since it uses less digits than its factorization.

64409804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947224 (or 947222 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 64409804 is about 8025.5718799348. The cubic root of 64409804 is about 400.8519425299.

The spelling of 64409804 in words is "sixty-four million, four hundred nine thousand, eight hundred four".