398531348 has 12 divisors (see below), whose sum is σ = 702448320. Its totient is φ = 197831832.

The previous prime is 398531303. The next prime is 398531351. The reversal of 398531348 is 843135893.

It is a junction number, because it is equal to n+sod(n) for n = 398531299 and 398531308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357836 + ... + 358947.

It is an arithmetic number, because the mean of its divisors is an integer number (58537360).

Almost surely, 2^398531348 is an apocalyptic number.

It is an amenable number.

398531348 is a deficient number, since it is larger than the sum of its proper divisors (303916972).

398531348 is a wasteful number, since it uses less digits than its factorization.

398531348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716926 (or 716924 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 398531348 is about 19963.2499358196. The cubic root of 398531348 is about 735.9034337902.

The spelling of 398531348 in words is "three hundred ninety-eight million, five hundred thirty-one thousand, three hundred forty-eight".