2453864 has 32 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 1014720.

The previous prime is 2453861. The next prime is 2453873. The reversal of 2453864 is 4683542.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2453864.

It is not an unprimeable number, because it can be changed into a prime (2453861) 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, 869 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2453864 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 2453864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

2453864 is an abundant number, since it is smaller than the sum of its proper divisors (2989336).

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

2453864 is a wasteful number, since it uses less digits than its factorization.

2453864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1549 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2453864 is about 1566.4814074862. The cubic root of 2453864 is about 134.8808092929.

The spelling of 2453864 in words is "two million, four hundred fifty-three thousand, eight hundred sixty-four".