64398962 has 4 divisors (see below), whose sum is σ = 96598446. Its totient is φ = 32199480.

The previous prime is 64398959. The next prime is 64398973. The reversal of 64398962 is 26989346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26989346 = 2 ⋅13494673.

It can be written as a sum of positive squares in only one way, i.e., 63027721 + 1371241 = 7939^2 + 1171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16099739 + ... + 16099742.

Almost surely, 2^64398962 is an apocalyptic number.

64398962 is a deficient number, since it is larger than the sum of its proper divisors (32199484).

64398962 is a wasteful number, since it uses less digits than its factorization.

64398962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32199483.

The product of its digits is 559872, while the sum is 47.

The square root of 64398962 is about 8024.8963856239. The cubic root of 64398962 is about 400.8294496776.

The spelling of 64398962 in words is "sixty-four million, three hundred ninety-eight thousand, nine hundred sixty-two".