2392240 has 40 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 900096.

The previous prime is 2392193. The next prime is 2392249. The reversal of 2392240 is 422932.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2392249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 2239.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2^2392240 is an apocalyptic number.

2392240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2392240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946240).

2392240 is an abundant number, since it is smaller than the sum of its proper divisors (3500240).

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

2392240 is a wasteful number, since it uses less digits than its factorization.

2392240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2392240 is about 1546.6867814784. The cubic root of 2392240 is about 133.7421342217.

The spelling of 2392240 in words is "two million, three hundred ninety-two thousand, two hundred forty".