2497988 has 6 divisors (see below), whose sum is σ = 4371486. Its totient is φ = 1248992.

The previous prime is 2497967. The next prime is 2497991. The reversal of 2497988 is 8897942.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 515524 = 1408^2 + 718^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312245 + ... + 312252.

It is an arithmetic number, because the mean of its divisors is an integer number (728581).

2^2497988 is an apocalyptic number.

It is an amenable number.

2497988 is a deficient number, since it is larger than the sum of its proper divisors (1873498).

2497988 is a wasteful number, since it uses less digits than its factorization.

2497988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624501 (or 624499 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 2497988 is about 1580.5024517539. The cubic root of 2497988 is about 135.6844616697.

The spelling of 2497988 in words is "two million, four hundred ninety-seven thousand, nine hundred eighty-eight".