64421196 has 48 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 18331200.

The previous prime is 64421179. The next prime is 64421213. The reversal of 64421196 is 69112446.

It is an interprime number because it is at equal distance from previous prime (64421179) and next prime (64421213).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21171 + ... + 24021.

It is an arithmetic number, because the mean of its divisors is an integer number (3593520).

Almost surely, 2^64421196 is an apocalyptic number.

It is an amenable number.

64421196 is an abundant number, since it is smaller than the sum of its proper divisors (108067764).

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

64421196 is a wasteful number, since it uses less digits than its factorization.

64421196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 3132 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 64421196 is about 8026.2815799098. The cubic root of 64421196 is about 400.8755736950.

The spelling of 64421196 in words is "sixty-four million, four hundred twenty-one thousand, one hundred ninety-six".