9985402 has 8 divisors (see below), whose sum is σ = 17117856. Its totient is φ = 4279452.

The previous prime is 9985399. The next prime is 9985403. The reversal of 9985402 is 2045899.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9985403) 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, 356608 + ... + 356635.

It is an arithmetic number, because the mean of its divisors is an integer number (2139732).

Almost surely, 2^9985402 is an apocalyptic number.

9985402 is a deficient number, since it is larger than the sum of its proper divisors (7132454).

9985402 is a wasteful number, since it uses less digits than its factorization.

9985402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713252.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 9985402 is about 3159.9686707308. The cubic root of 9985402 is about 215.3385831572.

It can be divided in two parts, 998 and 5402, that added together give a square (6400 = 80²).

The spelling of 9985402 in words is "nine million, nine hundred eighty-five thousand, four hundred two".