390149298 has 80 divisors (see below), whose sum is σ = 1089975744. Its totient is φ = 101334240.

The previous prime is 390149297. The next prime is 390149329. The reversal of 390149298 is 892941093.

It is not an unprimeable number, because it can be changed into a prime (390149293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3165 + ... + 28112.

Almost surely, 2^390149298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390149298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544987872).

390149298 is an abundant number, since it is smaller than the sum of its proper divisors (699826446).

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

390149298 is a wasteful number, since it uses less digits than its factorization.

390149298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31309 (or 31300 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 390149298 is about 19752.1972954910. The cubic root of 390149298 is about 730.7075756509.

The spelling of 390149298 in words is "three hundred ninety million, one hundred forty-nine thousand, two hundred ninety-eight".