398126544 has 20 divisors (see below), whose sum is σ = 1028493696. Its totient is φ = 132708832.

The previous prime is 398126539. The next prime is 398126567. The reversal of 398126544 is 445621893.

It is a junction number, because it is equal to n+sod(n) for n = 398126496 and 398126505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4147104 + ... + 4147199.

Almost surely, 2^398126544 is an apocalyptic number.

It is an amenable number.

398126544 is an abundant number, since it is smaller than the sum of its proper divisors (630367152).

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

398126544 is a wasteful number, since it uses less digits than its factorization.

398126544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294314 (or 8294308 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 398126544 is about 19953.1086299855. The cubic root of 398126544 is about 735.6541873391.

The spelling of 398126544 in words is "three hundred ninety-eight million, one hundred twenty-six thousand, five hundred forty-four".