398107704 has 96 divisors (see below), whose sum is σ = 1055995920. Its totient is φ = 124992000.

The previous prime is 398107681. The next prime is 398107727. The reversal of 398107704 is 407701893.

It is an interprime number because it is at equal distance from previous prime (398107681) and next prime (398107727).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 945414 + ... + 945834.

Almost surely, 2^398107704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398107704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527997960).

398107704 is an abundant number, since it is smaller than the sum of its proper divisors (657888216).

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

398107704 is a wasteful number, since it uses less digits than its factorization.

398107704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 398107704 is about 19952.6365175132. The cubic root of 398107704 is about 735.6425830358.

The spelling of 398107704 in words is "three hundred ninety-eight million, one hundred seven thousand, seven hundred four".