64435982 has 12 divisors (see below), whose sum is σ = 104661360. Its totient is φ = 29739528.

The previous prime is 64435957. The next prime is 64436003. The reversal of 64435982 is 28953446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94982 + ... + 95657.

It is an arithmetic number, because the mean of its divisors is an integer number (8721780).

Almost surely, 2^64435982 is an apocalyptic number.

64435982 is a deficient number, since it is larger than the sum of its proper divisors (40225378).

64435982 is a wasteful number, since it uses less digits than its factorization.

64435982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190667 (or 190654 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 64435982 is about 8027.2026260709. The cubic root of 64435982 is about 400.9062411004.

The spelling of 64435982 in words is "sixty-four million, four hundred thirty-five thousand, nine hundred eighty-two".