6904064 has 36 divisors (see below), whose sum is σ = 13950300. Its totient is φ = 3409920.

The previous prime is 6904063. The next prime is 6904067. The reversal of 6904064 is 4604096.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 6553600 = 592^2 + 2560^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6904063) 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, 38054 + ... + 38234.

Almost surely, 2^6904064 is an apocalyptic number.

6904064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6904064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6975150).

6904064 is an abundant number, since it is smaller than the sum of its proper divisors (7046236).

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

6904064 is a wasteful number, since it uses less digits than its factorization.

6904064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6904064 is about 2627.5585626204. The cubic root of 6904064 is about 190.4151954542.

Subtracting from 6904064 its reverse (4604096), we obtain a cube (2299968 = 132³).

The spelling of 6904064 in words is "six million, nine hundred four thousand, sixty-four".