9439902 has 20 divisors (see below), whose sum is σ = 21152736. Its totient is φ = 3146580.

The previous prime is 9439901. The next prime is 9439931. The reversal of 9439902 is 2099349.

It is a super-2 number, since 2×9439902² = 178223499539208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439901) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28974 + ... + 29297.

Almost surely, 2^9439902 is an apocalyptic number.

9439902 is an abundant number, since it is smaller than the sum of its proper divisors (11712834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9439902 is a wasteful number, since it uses less digits than its factorization.

9439902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58285 (or 58276 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 9439902 is about 3072.4423509645. The cubic root of 9439902 is about 211.3436297022.

The spelling of 9439902 in words is "nine million, four hundred thirty-nine thousand, nine hundred two".