9905402 has 8 divisors (see below), whose sum is σ = 16001076. Its totient is φ = 4571712.

The previous prime is 9905383. The next prime is 9905411. The reversal of 9905402 is 2045099.

It can be written as a sum of positive squares in 2 ways, for example, as 9728161 + 177241 = 3119^2 + 421^2 .

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

It is an unprimeable number.

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, 190463 + ... + 190514.

Almost surely, 2^9905402 is an apocalyptic number.

9905402 is a deficient number, since it is larger than the sum of its proper divisors (6095674).

9905402 is a wasteful number, since it uses less digits than its factorization.

9905402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380992.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 9905402 is about 3147.2848615910. The cubic root of 9905402 is about 214.7619647903.

The spelling of 9905402 in words is "nine million, nine hundred five thousand, four hundred two".