2404864 has 80 divisors (see below), whose sum is σ = 6088896. Its totient is φ = 921600.

The previous prime is 2404859. The next prime is 2404877. The reversal of 2404864 is 4684042.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 39394 + ... + 39454.

2^2404864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2404864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044448).

2404864 is an abundant number, since it is smaller than the sum of its proper divisors (3684032).

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

2404864 is an equidigital number, since it uses as much as digits as its factorization.

2404864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2404864 is about 1550.7623931473. The cubic root of 2404864 is about 133.9769768123.

The spelling of 2404864 in words is "two million, four hundred four thousand, eight hundred sixty-four".