9980425 has 48 divisors (see below), whose sum is σ = 15748992. Its totient is φ = 6105600.

The previous prime is 9980389. The next prime is 9980431. The reversal of 9980425 is 5240899.

It is not a de Polignac number, because 9980425 - 2⁷ = 9980297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93222 + ... + 93328.

It is an arithmetic number, because the mean of its divisors is an integer number (328104).

Almost surely, 2^9980425 is an apocalyptic number.

It is an amenable number.

9980425 is a deficient number, since it is larger than the sum of its proper divisors (5768567).

9980425 is a wasteful number, since it uses less digits than its factorization.

9980425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

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

The square root of 9980425 is about 3159.1810647698. The cubic root of 9980425 is about 215.3028003134.

The spelling of 9980425 in words is "nine million, nine hundred eighty thousand, four hundred twenty-five".