398110356 has 48 divisors (see below), whose sum is σ = 1179588480. Its totient is φ = 113745600.

The previous prime is 398110337. The next prime is 398110379. The reversal of 398110356 is 653011893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 398110356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262545 + ... + 264056.

It is an arithmetic number, because the mean of its divisors is an integer number (24574760).

Almost surely, 2^398110356 is an apocalyptic number.

398110356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398110356 is an abundant number, since it is smaller than the sum of its proper divisors (781478124).

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

398110356 is a wasteful number, since it uses less digits than its factorization.

398110356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526621 (or 526613 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 398110356 is about 19952.7029747851. The cubic root of 398110356 is about 735.6442165300.

The spelling of 398110356 in words is "three hundred ninety-eight million, one hundred ten thousand, three hundred fifty-six".