9903902 has 8 divisors (see below), whose sum is σ = 15637800. Its totient is φ = 4691304.

The previous prime is 9903871. The next prime is 9903913. The reversal of 9903902 is 2093099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130277 + ... + 130352.

It is an arithmetic number, because the mean of its divisors is an integer number (1954725).

Almost surely, 2^9903902 is an apocalyptic number.

9903902 is a deficient number, since it is larger than the sum of its proper divisors (5733898).

9903902 is a wasteful number, since it uses less digits than its factorization.

9903902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260650.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 9903902 is about 3147.0465519277. The cubic root of 9903902 is about 214.7511235944.

The spelling of 9903902 in words is "nine million, nine hundred three thousand, nine hundred two".