64955938 has 8 divisors (see below), whose sum is σ = 98528940. Its totient is φ = 32112960.

The previous prime is 64955923. The next prime is 64955939. The reversal of 64955938 is 83955946.

It can be written as a sum of positive squares in 2 ways, for example, as 56505289 + 8450649 = 7517^2 + 2907^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 64955891 and 64955900.

It is not an unprimeable number, because it can be changed into a prime (64955939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182283 + ... + 182638.

Almost surely, 2^64955938 is an apocalyptic number.

64955938 is a deficient number, since it is larger than the sum of its proper divisors (33573002).

64955938 is a wasteful number, since it uses less digits than its factorization.

64955938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365012.

The product of its digits is 1166400, while the sum is 49.

The square root of 64955938 is about 8059.5246758106. The cubic root of 64955938 is about 401.9817034155.

The spelling of 64955938 in words is "sixty-four million, nine hundred fifty-five thousand, nine hundred thirty-eight".