398760626 has 16 divisors (see below), whose sum is σ = 673567488. Its totient is φ = 175407600.

The previous prime is 398760623. The next prime is 398760631. The reversal of 398760626 is 626067893.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (398760623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291665 + ... + 293028.

It is an arithmetic number, because the mean of its divisors is an integer number (42097968).

Almost surely, 2^398760626 is an apocalyptic number.

398760626 is a deficient number, since it is larger than the sum of its proper divisors (274806862).

398760626 is a wasteful number, since it uses less digits than its factorization.

398760626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584737.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 398760626 is about 19968.9916119968. The cubic root of 398760626 is about 736.0445302787.

The spelling of 398760626 in words is "three hundred ninety-eight million, seven hundred sixty thousand, six hundred twenty-six".