368401990 has 16 divisors (see below), whose sum is σ = 723407760. Its totient is φ = 133964320.

The previous prime is 368401961. The next prime is 368402011. The reversal of 368401990 is 99104863.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674445 + ... + 1674664.

It is an arithmetic number, because the mean of its divisors is an integer number (45212985).

Almost surely, 2^368401990 is an apocalyptic number.

368401990 is a deficient number, since it is larger than the sum of its proper divisors (355005770).

368401990 is a wasteful number, since it uses less digits than its factorization.

368401990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349127.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 368401990 is about 19193.8008221405. The cubic root of 368401990 is about 716.8704121144.

The spelling of 368401990 in words is "three hundred sixty-eight million, four hundred one thousand, nine hundred ninety".