2457988 has 12 divisors (see below), whose sum is σ = 4632460. Its totient is φ = 1134432.

The previous prime is 2457971. The next prime is 2457997. The reversal of 2457988 is 8897542.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 2304324 = 392^2 + 1518^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23583 + ... + 23686.

2^2457988 is an apocalyptic number.

It is an amenable number.

2457988 is a deficient number, since it is larger than the sum of its proper divisors (2174472).

2457988 is a wasteful number, since it uses less digits than its factorization.

2457988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47286 (or 47284 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 2457988 is about 1567.7971807603. The cubic root of 2457988 is about 134.9563278948.

The spelling of 2457988 in words is "two million, four hundred fifty-seven thousand, nine hundred eighty-eight".