398425948 has 24 divisors (see below), whose sum is σ = 705970832. Its totient is φ = 196729344.

The previous prime is 398425933. The next prime is 398425967. The reversal of 398425948 is 849524893.

It is a junction number, because it is equal to n+sod(n) for n = 398425895 and 398425904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248686 + ... + 250282.

Almost surely, 2^398425948 is an apocalyptic number.

It is an amenable number.

398425948 is a deficient number, since it is larger than the sum of its proper divisors (307544884).

398425948 is a wasteful number, since it uses less digits than its factorization.

398425948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2339 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 398425948 is about 19960.6099105213. The cubic root of 398425948 is about 735.8385530214.

The spelling of 398425948 in words is "three hundred ninety-eight million, four hundred twenty-five thousand, nine hundred forty-eight".