401205798 has 40 divisors (see below), whose sum is σ = 1027429392. Its totient is φ = 114629904.

The previous prime is 401205757. The next prime is 401205803. The reversal of 401205798 is 897502104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 175765 + ... + 178032.

Almost surely, 2^401205798 is an apocalyptic number.

401205798 is an abundant number, since it is smaller than the sum of its proper divisors (626223594).

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

401205798 is a wasteful number, since it uses less digits than its factorization.

401205798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353818 (or 353809 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 401205798 is about 20030.1222662269. The cubic root of 401205798 is about 737.5459233301.

The spelling of 401205798 in words is "four hundred one million, two hundred five thousand, seven hundred ninety-eight".