2456987 has 4 divisors (see below), whose sum is σ = 2646000. Its totient is φ = 2267976.

The previous prime is 2456983. The next prime is 2456989. The reversal of 2456987 is 7896542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7896542 = 2 ⋅3948271.

It is a cyclic number.

It is not a de Polignac number, because 2456987 - 2² = 2456983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2456981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94487 + ... + 94512.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

2^2456987 is an apocalyptic number.

2456987 is a deficient number, since it is larger than the sum of its proper divisors (189013).

2456987 is a wasteful number, since it uses less digits than its factorization.

2456987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189012.

The product of its digits is 120960, while the sum is 41.

The square root of 2456987 is about 1567.4779105302. The cubic root of 2456987 is about 134.9380053715.

It can be divided in two parts, 2456 and 987, that added together give a palindrome (3443).

The spelling of 2456987 in words is "two million, four hundred fifty-six thousand, nine hundred eighty-seven".