64236963 has 8 divisors (see below), whose sum is σ = 97884928. Its totient is φ = 36706824.

The previous prime is 64236959. The next prime is 64236983. The reversal of 64236963 is 36963246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64236963 - 2² = 64236959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64236983) 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, 1529431 + ... + 1529472.

It is an arithmetic number, because the mean of its divisors is an integer number (12235616).

Almost surely, 2^64236963 is an apocalyptic number.

64236963 is a deficient number, since it is larger than the sum of its proper divisors (33647965).

64236963 is a wasteful number, since it uses less digits than its factorization.

64236963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058913.

The product of its digits is 139968, while the sum is 39.

The square root of 64236963 is about 8014.7965039669. The cubic root of 64236963 is about 400.4930648845.

The spelling of 64236963 in words is "sixty-four million, two hundred thirty-six thousand, nine hundred sixty-three".