9957902 has 8 divisors (see below), whose sum is σ = 15190200. Its totient is φ = 4894504.

The previous prime is 9957901. The next prime is 9957947. The reversal of 9957902 is 2097599.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9957902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42077 + ... + 42312.

It is an arithmetic number, because the mean of its divisors is an integer number (1898775).

Almost surely, 2^9957902 is an apocalyptic number.

9957902 is a deficient number, since it is larger than the sum of its proper divisors (5232298).

9957902 is a wasteful number, since it uses less digits than its factorization.

9957902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84450.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 9957902 is about 3155.6143617369. The cubic root of 9957902 is about 215.1407191275.

The spelling of 9957902 in words is "nine million, nine hundred fifty-seven thousand, nine hundred two".