363644490 has 64 divisors (see below), whose sum is σ = 993503232. Its totient is φ = 84321600.

The previous prime is 363644471. The next prime is 363644527. The reversal of 363644490 is 94446363.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16366 + ... + 31545.

It is an arithmetic number, because the mean of its divisors is an integer number (15523488).

Almost surely, 2^363644490 is an apocalyptic number.

363644490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

363644490 is an abundant number, since it is smaller than the sum of its proper divisors (629858742).

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

363644490 is a wasteful number, since it uses less digits than its factorization.

363644490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47955.

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

The square root of 363644490 is about 19069.4648587736. The cubic root of 363644490 is about 713.7711724248.

The spelling of 363644490 in words is "three hundred sixty-three million, six hundred forty-four thousand, four hundred ninety".