2347440 has 40 divisors (see below), whose sum is σ = 7277808. Its totient is φ = 625920.

The previous prime is 2347439. The next prime is 2347441. The reversal of 2347440 is 447432.

It is an interprime number because it is at equal distance from previous prime (2347439) and next prime (2347441).

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 2347440.

It is not an unprimeable number, because it can be changed into a prime (2347441) 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, 4651 + ... + 5130.

2^2347440 is an apocalyptic number.

2347440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2347440 is an abundant number, since it is smaller than the sum of its proper divisors (4930368).

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

2347440 is a wasteful number, since it uses less digits than its factorization.

2347440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9797 (or 9791 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 2347440 is about 1532.1357642193. The cubic root of 2347440 is about 132.9019949979.

The spelling of 2347440 in words is "two million, three hundred forty-seven thousand, four hundred forty".