398008948 has 12 divisors (see below), whose sum is σ = 697257792. Its totient is φ = 198792440.

The previous prime is 398008937. The next prime is 398008967. The reversal of 398008948 is 849800893.

It is a happy number.

It is a super-2 number, since 2×398008948² = 316822245376133408, which contains 22 as substring.

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, 48748 + ... + 56323.

It is an arithmetic number, because the mean of its divisors is an integer number (58104816).

Almost surely, 2^398008948 is an apocalyptic number.

It is an amenable number.

398008948 is a deficient number, since it is larger than the sum of its proper divisors (299248844).

398008948 is a wasteful number, since it uses less digits than its factorization.

398008948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106022 (or 106020 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 398008948 is about 19950.1616033555. The cubic root of 398008948 is about 735.5817493082.

The spelling of 398008948 in words is "three hundred ninety-eight million, eight thousand, nine hundred forty-eight".