383149990 has 16 divisors (see below), whose sum is σ = 699118848. Its totient is φ = 151160256.

The previous prime is 383149957. The next prime is 383149993. The reversal of 383149990 is 99941383.

It is a self number, because there is not a number n which added to its sum of digits gives 383149990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383149993) by changing a digit.

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, 261702 + ... + 263161.

It is an arithmetic number, because the mean of its divisors is an integer number (43694928).

Almost surely, 2^383149990 is an apocalyptic number.

383149990 is a deficient number, since it is larger than the sum of its proper divisors (315968858).

383149990 is a wasteful number, since it uses less digits than its factorization.

383149990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524943.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 383149990 is about 19574.2174811664. The cubic root of 383149990 is about 726.3115316644.

The spelling of 383149990 in words is "three hundred eighty-three million, one hundred forty-nine thousand, nine hundred ninety".