9930925 has 6 divisors (see below), whose sum is σ = 12314378. Its totient is φ = 7944720.

The previous prime is 9930923. The next prime is 9930931. The reversal of 9930925 is 5290399.

9930925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 184041 + 9746884 = 429^2 + 3122^2 .

It is not a de Polignac number, because 9930925 - 2¹ = 9930923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198594 + ... + 198643.

Almost surely, 2^9930925 is an apocalyptic number.

It is an amenable number.

9930925 is a deficient number, since it is larger than the sum of its proper divisors (2383453).

9930925 is a wasteful number, since it uses less digits than its factorization.

9930925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397247 (or 397242 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 9930925 is about 3151.3370178386. The cubic root of 9930925 is about 214.9462638375.

It can be divided in two parts, 99 and 30925, that multiplied together give a triangular number (3061575 = T₂₄₇₄).

The spelling of 9930925 in words is "nine million, nine hundred thirty thousand, nine hundred twenty-five".