398004608 has 16 divisors (see below), whose sum is σ = 792900060. Its totient is φ = 199002240.

The previous prime is 398004547. The next prime is 398004611. The reversal of 398004608 is 806400893.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554578 + ... + 1554833.

Almost surely, 2^398004608 is an apocalyptic number.

It is an amenable number.

398004608 is a deficient number, since it is larger than the sum of its proper divisors (394895452).

398004608 is an equidigital number, since it uses as much as digits as its factorization.

398004608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109425 (or 3109413 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 398004608 is about 19950.0528320102. The cubic root of 398004608 is about 735.5790756359.

The spelling of 398004608 in words is "three hundred ninety-eight million, four thousand, six hundred eight".