2396640 has 48 divisors (see below), whose sum is σ = 7550928. Its totient is φ = 638976.

The previous prime is 2396633. The next prime is 2396651. The reversal of 2396640 is 466932.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2396598 and 2396607.

It is a congruent number.

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, 2017 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (157311).

2^2396640 is an apocalyptic number.

2396640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2396640 is an abundant number, since it is smaller than the sum of its proper divisors (5154288).

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

2396640 is a wasteful number, since it uses less digits than its factorization.

2396640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011 (or 5003 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2396640 is about 1548.1085233277. The cubic root of 2396640 is about 133.8240804275.

The spelling of 2396640 in words is "two million, three hundred ninety-six thousand, six hundred forty".