2402456 has 16 divisors (see below), whose sum is σ = 5148240. Its totient is φ = 1029600.

The previous prime is 2402441. The next prime is 2402461. The reversal of 2402456 is 6542042.

2402456 = T₈₂₅ + T₈₂₆ + ... + T₈₃₁.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21395 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (321765).

2^2402456 is an apocalyptic number.

It is an amenable number.

2402456 is an abundant number, since it is smaller than the sum of its proper divisors (2745784).

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

2402456 is a wasteful number, since it uses less digits than its factorization.

2402456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42914 (or 42910 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2402456 is about 1549.9858063866. The cubic root of 2402456 is about 133.9322446502.

Adding to 2402456 its reverse (6542042), we get a palindrome (8944498).

The spelling of 2402456 in words is "two million, four hundred two thousand, four hundred fifty-six".