403654064 has 30 divisors (see below), whose sum is σ = 859645500. Its totient is φ = 183478240.

The previous prime is 403654051. The next prime is 403654067. The reversal of 403654064 is 460456304.

It is a self number, because there is not a number n which added to its sum of digits gives 403654064.

It is not an unprimeable number, because it can be changed into a prime (403654067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102314 + ... + 106185.

It is an arithmetic number, because the mean of its divisors is an integer number (28654850).

Almost surely, 2^403654064 is an apocalyptic number.

403654064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

403654064 is an abundant number, since it is smaller than the sum of its proper divisors (455991436).

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

403654064 is a wasteful number, since it uses less digits than its factorization.

403654064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208529 (or 208512 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 403654064 is about 20091.1439196478. The cubic root of 403654064 is about 739.0431167442.

The spelling of 403654064 in words is "four hundred three million, six hundred fifty-four thousand, sixty-four".