2395440 has 80 divisors (see below), whose sum is σ = 8258400. Its totient is φ = 638208.

The previous prime is 2395433. The next prime is 2395489. The reversal of 2395440 is 445932.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1606 + ... + 2714.

It is an arithmetic number, because the mean of its divisors is an integer number (103230).

2^2395440 is an apocalyptic number.

2395440 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 2395440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4129200).

2395440 is an abundant number, since it is smaller than the sum of its proper divisors (5862960).

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

2395440 is a wasteful number, since it uses less digits than its factorization.

2395440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2395440 is about 1547.7209050730. The cubic root of 2395440 is about 133.8017414159.

The spelling of 2395440 in words is "two million, three hundred ninety-five thousand, four hundred forty".