3998601402 has 32 divisors (see below), whose sum is σ = 8259569664. Its totient is φ = 1289185200.

The previous prime is 3998601391. The next prime is 3998601421. The reversal of 3998601402 is 2041068993.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436473 + ... + 445539.

It is an arithmetic number, because the mean of its divisors is an integer number (258111552).

Almost surely, 2^3998601402 is an apocalyptic number.

3998601402 is an abundant number, since it is smaller than the sum of its proper divisors (4260968262).

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

3998601402 is a wasteful number, since it uses less digits than its factorization.

3998601402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 3998601402 is about 63234.4953486623. The cubic root of 3998601402 is about 1587.2160190729.

The spelling of 3998601402 in words is "three billion, nine hundred ninety-eight million, six hundred one thousand, four hundred two".