9400402 has 32 divisors (see below), whose sum is σ = 16600320. Its totient is φ = 3946320.

The previous prime is 9400397. The next prime is 9400463. The reversal of 9400402 is 2040049.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 9400402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17713 + ... + 18235.

It is an arithmetic number, because the mean of its divisors is an integer number (518760).

Almost surely, 2^9400402 is an apocalyptic number.

9400402 is a deficient number, since it is larger than the sum of its proper divisors (7199918).

9400402 is a wasteful number, since it uses less digits than its factorization.

9400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 9400402 is about 3066.0075016216. The cubic root of 9400402 is about 211.0484379261.

The spelling of 9400402 in words is "nine million, four hundred thousand, four hundred two".