363985649 has 8 divisors (see below), whose sum is σ = 380063232. Its totient is φ = 347929120.

The previous prime is 363985621. The next prime is 363985667. The reversal of 363985649 is 946589363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 363985649 - 2⁸ = 363985393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 363985649.

It is not an unprimeable number, because it can be changed into a prime (363985619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37589 + ... + 46269.

It is an arithmetic number, because the mean of its divisors is an integer number (47507904).

Almost surely, 2^363985649 is an apocalyptic number.

It is an amenable number.

363985649 is a deficient number, since it is larger than the sum of its proper divisors (16077583).

363985649 is a wasteful number, since it uses less digits than its factorization.

363985649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527.

The product of its digits is 4199040, while the sum is 53.

The square root of 363985649 is about 19078.4079262395. The cubic root of 363985649 is about 713.9943146741.

The spelling of 363985649 in words is "three hundred sixty-three million, nine hundred eighty-five thousand, six hundred forty-nine".