398201650 has 96 divisors (see below), whose sum is σ = 929190528. Its totient is φ = 123340800.

The previous prime is 398201623. The next prime is 398201651. The reversal of 398201650 is 56102893.

It is not an unprimeable number, because it can be changed into a prime (398201651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1127874 + ... + 1128226.

It is an arithmetic number, because the mean of its divisors is an integer number (9679068).

Almost surely, 2^398201650 is an apocalyptic number.

398201650 is an abundant number, since it is smaller than the sum of its proper divisors (530988878).

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

398201650 is a wasteful number, since it uses less digits than its factorization.

398201650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 398201650 is about 19954.9906038565. The cubic root of 398201650 is about 735.7004444653.

The spelling of 398201650 in words is "three hundred ninety-eight million, two hundred one thousand, six hundred fifty".