64311346 has 32 divisors (see below), whose sum is σ = 107692416. Its totient is φ = 28560000.

The previous prime is 64311341. The next prime is 64311347.

64311346 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (64311341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228726 + ... + 229006.

It is an arithmetic number, because the mean of its divisors is an integer number (3365388).

Almost surely, 2^64311346 is an apocalyptic number.

64311346 is a deficient number, since it is larger than the sum of its proper divisors (43381070).

64311346 is a wasteful number, since it uses less digits than its factorization.

64311346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its digits is 5184, while the sum is 28.

The square root of 64311346 is about 8019.4355162941. The cubic root of 64311346 is about 400.6475885070.

It can be divided in two parts, 6431 and 1346, that added together give a palindrome (7777).

The spelling of 64311346 in words is "sixty-four million, three hundred eleven thousand, three hundred forty-six".