9245421 has 12 divisors (see below), whose sum is σ = 13849472. Its totient is φ = 6163452.

The previous prime is 9245413. The next prime is 9245437. The reversal of 9245421 is 1245429.

9245421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9245421 - 2³ = 9245413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

9245421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9245441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18781 + ... + 19266.

Almost surely, 2^9245421 is an apocalyptic number.

It is an amenable number.

9245421 is a deficient number, since it is larger than the sum of its proper divisors (4604051).

9245421 is an equidigital number, since it uses as much as digits as its factorization.

9245421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38062 (or 38050 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 9245421 is about 3040.6283890012. The cubic root of 9245421 is about 209.8821788064.

The spelling of 9245421 in words is "nine million, two hundred forty-five thousand, four hundred twenty-one".