368638646 has 8 divisors (see below), whose sum is σ = 582061080. Its totient is φ = 174618288.

The previous prime is 368638643. The next prime is 368638679. The reversal of 368638646 is 646836863.

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

It is a junction number, because it is equal to n+sod(n) for n = 368638594 and 368638603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368638643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4850471 + ... + 4850546.

It is an arithmetic number, because the mean of its divisors is an integer number (72757635).

Almost surely, 2^368638646 is an apocalyptic number.

368638646 is a deficient number, since it is larger than the sum of its proper divisors (213422434).

368638646 is a wasteful number, since it uses less digits than its factorization.

368638646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701038.

The product of its digits is 2985984, while the sum is 50.

The square root of 368638646 is about 19199.9647395510. The cubic root of 368638646 is about 717.0238815803.

The spelling of 368638646 in words is "three hundred sixty-eight million, six hundred thirty-eight thousand, six hundred forty-six".