2309424 has 40 divisors (see below), whose sum is σ = 6426672. Its totient is φ = 710400.

The previous prime is 2309413. The next prime is 2309441. The reversal of 2309424 is 4249032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2309394 and 2309403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227 + ... + 2474.

2^2309424 is an apocalyptic number.

2309424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2309424 is an abundant number, since it is smaller than the sum of its proper divisors (4117248).

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

2309424 is a wasteful number, since it uses less digits than its factorization.

2309424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2309424 is about 1519.6789134551. The cubic root of 2309424 is about 132.1806525579.

The spelling of 2309424 in words is "two million, three hundred nine thousand, four hundred twenty-four".