64349349 has 16 divisors (see below), whose sum is σ = 87003840. Its totient is φ = 42301440.

The previous prime is 64349323. The next prime is 64349381. The reversal of 64349349 is 94394346.

It is not a de Polignac number, because 64349349 - 2⁵ = 64349317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64349349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64349309) 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, 100069 + ... + 100709.

It is an arithmetic number, because the mean of its divisors is an integer number (5437740).

Almost surely, 2^64349349 is an apocalyptic number.

It is an amenable number.

64349349 is a deficient number, since it is larger than the sum of its proper divisors (22654491).

64349349 is a wasteful number, since it uses less digits than its factorization.

64349349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

The product of its digits is 279936, while the sum is 42.

The square root of 64349349 is about 8021.8045974706. The cubic root of 64349349 is about 400.7264901480.

The spelling of 64349349 in words is "sixty-four million, three hundred forty-nine thousand, three hundred forty-nine".