402108366 has 32 divisors (see below), whose sum is σ = 878040576. Its totient is φ = 121752000.

The previous prime is 402108349. The next prime is 402108367. The reversal of 402108366 is 663801204.

It is a super-2 number, since 2×402108366² = 323382276014379912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402108367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149211 + ... + 151881.

It is an arithmetic number, because the mean of its divisors is an integer number (27438768).

Almost surely, 2^402108366 is an apocalyptic number.

402108366 is an abundant number, since it is smaller than the sum of its proper divisors (475932210).

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

402108366 is a wasteful number, since it uses less digits than its factorization.

402108366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 402108366 is about 20052.6398760861. The cubic root of 402108366 is about 738.0985796738.

The spelling of 402108366 in words is "four hundred two million, one hundred eight thousand, three hundred sixty-six".