402112206 has 48 divisors (see below), whose sum is σ = 888361344. Its totient is φ = 131430672.

The previous prime is 402112177. The next prime is 402112283. The reversal of 402112206 is 602211204.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 197365 + ... + 199391.

It is an arithmetic number, because the mean of its divisors is an integer number (18507528).

Almost surely, 2^402112206 is an apocalyptic number.

402112206 is an abundant number, since it is smaller than the sum of its proper divisors (486249138).

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

402112206 is a wasteful number, since it uses less digits than its factorization.

402112206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 402112206 is about 20052.7356238494. The cubic root of 402112206 is about 738.1009291976.

The spelling of 402112206 in words is "four hundred two million, one hundred twelve thousand, two hundred six".