64439162 has 16 divisors (see below), whose sum is σ = 99487872. Its totient is φ = 31287360.

The previous prime is 64439161. The next prime is 64439191. The reversal of 64439162 is 26193446.

It is not an unprimeable number, because it can be changed into a prime (64439161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9698 + ... + 14930.

It is an arithmetic number, because the mean of its divisors is an integer number (6217992).

Almost surely, 2^64439162 is an apocalyptic number.

64439162 is a deficient number, since it is larger than the sum of its proper divisors (35048710).

64439162 is a wasteful number, since it uses less digits than its factorization.

64439162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413.

The product of its digits is 31104, while the sum is 35.

The square root of 64439162 is about 8027.4007001021. The cubic root of 64439162 is about 400.9128360744.

The spelling of 64439162 in words is "sixty-four million, four hundred thirty-nine thousand, one hundred sixty-two".