9425820 has 48 divisors (see below), whose sum is σ = 27947808. Its totient is φ = 2365440.

The previous prime is 9425797. The next prime is 9425827. The reversal of 9425820 is 285249.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9425827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3601 + ... + 5640.

It is an arithmetic number, because the mean of its divisors is an integer number (582246).

Almost surely, 2^9425820 is an apocalyptic number.

It is an amenable number.

9425820 is an abundant number, since it is smaller than the sum of its proper divisors (18521988).

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

9425820 is a wasteful number, since it uses less digits than its factorization.

9425820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270 (or 9268 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 9425820 is about 3070.1498334772. The cubic root of 9425820 is about 211.2384865870.

The spelling of 9425820 in words is "nine million, four hundred twenty-five thousand, eight hundred twenty".