2988657 has 36 divisors (see below), whose sum is σ = 5228496. Its totient is φ = 1701000.

The previous prime is 2988647. The next prime is 2988659. The reversal of 2988657 is 7568892.

It is not a de Polignac number, because 2988657 - 2¹¹ = 2986609 is a prime.

Its product of digits (241920) is a multiple of the sum of its prime factors (280).

It is not an unprimeable number, because it can be changed into a prime (2988659) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11782 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

2^2988657 is an apocalyptic number.

2988657 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2988657 is a deficient number, since it is larger than the sum of its proper divisors (2239839).

2988657 is an equidigital number, since it uses as much as digits as its factorization.

2988657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 261 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2988657 is about 1728.7732644855. The cubic root of 2988657 is about 144.0429559348.

The spelling of 2988657 in words is "two million, nine hundred eighty-eight thousand, six hundred fifty-seven".