2620988 has 24 divisors (see below), whose sum is σ = 4945920. Its totient is φ = 1211760.

The previous prime is 2620967. The next prime is 2620999. The reversal of 2620988 is 8890262.

It is a super-2 number, since 2×2620988² = 13739156192288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2393 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (206080).

2^2620988 is an apocalyptic number.

It is an amenable number.

2620988 is a deficient number, since it is larger than the sum of its proper divisors (2324932).

2620988 is a wasteful number, since it uses less digits than its factorization.

2620988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2620988 is about 1618.9465710764. The cubic root of 2620988 is about 137.8758948654.

The spelling of 2620988 in words is "two million, six hundred twenty thousand, nine hundred eighty-eight".