9929025 has 18 divisors (see below), whose sum is σ = 17784390. Its totient is φ = 5295360.

The previous prime is 9929009. The next prime is 9929047. The reversal of 9929025 is 5209299.

9929025 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 3 ways, for example, as 138384 + 9790641 = 372^2 + 3129^2 .

It is not a de Polignac number, because 9929025 - 2⁴ = 9929009 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

9929025 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21840 + ... + 22289.

Almost surely, 2^9929025 is an apocalyptic number.

It is an amenable number.

9929025 is a deficient number, since it is larger than the sum of its proper divisors (7855365).

9929025 is a wasteful number, since it uses less digits than its factorization.

9929025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44145 (or 44137 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 9929025 is about 3151.0355440712. The cubic root of 9929025 is about 214.9325550122.

The spelling of 9929025 in words is "nine million, nine hundred twenty-nine thousand, twenty-five".