364934640 has 80 divisors (see below), whose sum is σ = 1292917248. Its totient is φ = 83413248.

The previous prime is 364934623. The next prime is 364934641. The reversal of 364934640 is 46439463.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364934641) 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, 106932 + ... + 110291.

Almost surely, 2^364934640 is an apocalyptic number.

364934640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

364934640 is an abundant number, since it is smaller than the sum of its proper divisors (927982608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

364934640 is a wasteful number, since it uses less digits than its factorization.

364934640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217246 (or 217240 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 364934640 is about 19103.2625485805. The cubic root of 364934640 is about 714.6142898207.

The spelling of 364934640 in words is "three hundred sixty-four million, nine hundred thirty-four thousand, six hundred forty".