390898676 has 18 divisors (see below), whose sum is σ = 795758418. Its totient is φ = 167527920.

The previous prime is 390898667. The next prime is 390898679. The reversal of 390898676 is 676898093.

It can be written as a sum of positive squares in only one way, i.e., 335842276 + 55056400 = 18326^2 + 7420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390898679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 996995 + ... + 997386.

It is an arithmetic number, because the mean of its divisors is an integer number (44208801).

Almost surely, 2^390898676 is an apocalyptic number.

It is an amenable number.

390898676 is an abundant number, since it is smaller than the sum of its proper divisors (404859742).

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

390898676 is a wasteful number, since it uses less digits than its factorization.

390898676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994399 (or 1994390 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 390898676 is about 19771.1576798123. The cubic root of 390898676 is about 731.1751111756.

The spelling of 390898676 in words is "three hundred ninety million, eight hundred ninety-eight thousand, six hundred seventy-six".