64084904 has 32 divisors (see below), whose sum is σ = 130704840. Its totient is φ = 29280000.

The previous prime is 64084903. The next prime is 64084907. The reversal of 64084904 is 40948046.

It can be written as a sum of positive squares in 4 ways, for example, as 60808804 + 3276100 = 7798^2 + 1810^2 .

It is not an unprimeable number, because it can be changed into a prime (64084903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7454 + ... + 13554.

Almost surely, 2^64084904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64084904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65352420).

64084904 is an abundant number, since it is smaller than the sum of its proper divisors (66619936).

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

64084904 is a wasteful number, since it uses less digits than its factorization.

64084904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221 (or 6217 counting only the distinct ones).

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

The square root of 64084904 is about 8005.3047412325. The cubic root of 64084904 is about 400.1768051716.

The spelling of 64084904 in words is "sixty-four million, eighty-four thousand, nine hundred four".