64349396 has 12 divisors (see below), whose sum is σ = 112741440. Its totient is φ = 32137560.

The previous prime is 64349393. The next prime is 64349431. The reversal of 64349396 is 69394346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64349393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5186 + ... + 12473.

It is an arithmetic number, because the mean of its divisors is an integer number (9395120).

Almost surely, 2^64349396 is an apocalyptic number.

It is an amenable number.

64349396 is a deficient number, since it is larger than the sum of its proper divisors (48392044).

64349396 is a wasteful number, since it uses less digits than its factorization.

64349396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18574 (or 18572 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 64349396 is about 8021.8075269854. The cubic root of 64349396 is about 400.7265877099.

The spelling of 64349396 in words is "sixty-four million, three hundred forty-nine thousand, three hundred ninety-six".