398885126 has 16 divisors (see below), whose sum is σ = 631413360. Its totient is φ = 188467200.

The previous prime is 398885117. The next prime is 398885129. The reversal of 398885126 is 621588893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398885129) 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, 2150 + ... + 28326.

It is an arithmetic number, because the mean of its divisors is an integer number (39463335).

Almost surely, 2^398885126 is an apocalyptic number.

398885126 is a deficient number, since it is larger than the sum of its proper divisors (232528234).

398885126 is a wasteful number, since it uses less digits than its factorization.

398885126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26599.

The product of its digits is 829440, while the sum is 50.

The square root of 398885126 is about 19972.1087018872. The cubic root of 398885126 is about 736.1211242742.

The spelling of 398885126 in words is "three hundred ninety-eight million, eight hundred eighty-five thousand, one hundred twenty-six".