64264403 has 32 divisors (see below), whose sum is σ = 83888640. Its totient is φ = 47900160.

The previous prime is 64264399. The next prime is 64264423. The reversal of 64264403 is 30446246.

It is a happy number.

It is not a de Polignac number, because 64264403 - 2² = 64264399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64264423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96893 + ... + 97553.

It is an arithmetic number, because the mean of its divisors is an integer number (2621520).

Almost surely, 2^64264403 is an apocalyptic number.

64264403 is a deficient number, since it is larger than the sum of its proper divisors (19624237).

64264403 is a wasteful number, since it uses less digits than its factorization.

64264403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 64264403 is about 8016.5081550511. The cubic root of 64264403 is about 400.5500827590.

The spelling of 64264403 in words is "sixty-four million, two hundred sixty-four thousand, four hundred three".