2457136 has 40 divisors (see below), whose sum is σ = 5428224. Its totient is φ = 1066560.

The previous prime is 2457127. The next prime is 2457139. The reversal of 2457136 is 6317542.

2457136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2457139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3745 + ... + 4351.

2^2457136 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 2457136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714112).

2457136 is an abundant number, since it is smaller than the sum of its proper divisors (2971088).

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

2457136 is a wasteful number, since it uses less digits than its factorization.

2457136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 643 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 2457136 is about 1567.5254383901. The cubic root of 2457136 is about 134.9407330154.

It can be divided in two parts, 245 and 7136, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 2457136 in words is "two million, four hundred fifty-seven thousand, one hundred thirty-six".