64403364 has 24 divisors (see below), whose sum is σ = 150419808. Its totient is φ = 21447040.

The previous prime is 64403363. The next prime is 64403377. The reversal of 64403364 is 46330446.

It is not an unprimeable number, because it can be changed into a prime (64403363) 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, 15244 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (6267492).

Almost surely, 2^64403364 is an apocalyptic number.

It is an amenable number.

64403364 is an abundant number, since it is smaller than the sum of its proper divisors (86016444).

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

64403364 is a wasteful number, since it uses less digits than its factorization.

64403364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 64403364 is about 8025.1706523911. The cubic root of 64403364 is about 400.8385823871.

The spelling of 64403364 in words is "sixty-four million, four hundred three thousand, three hundred sixty-four".