64398314 has 4 divisors (see below), whose sum is σ = 96597474. Its totient is φ = 32199156.

The previous prime is 64398281. The next prime is 64398343. The reversal of 64398314 is 41389346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41389346 = 2 ⋅20694673.

It can be written as a sum of positive squares in only one way, i.e., 64272289 + 126025 = 8017^2 + 355^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16099577 + ... + 16099580.

Almost surely, 2^64398314 is an apocalyptic number.

64398314 is a deficient number, since it is larger than the sum of its proper divisors (32199160).

64398314 is a wasteful number, since it uses less digits than its factorization.

64398314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32199159.

The product of its digits is 62208, while the sum is 38.

The square root of 64398314 is about 8024.8560111693. The cubic root of 64398314 is about 400.8281052545.

The spelling of 64398314 in words is "sixty-four million, three hundred ninety-eight thousand, three hundred fourteen".