2629988 has 6 divisors (see below), whose sum is σ = 4602486. Its totient is φ = 1314992.

The previous prime is 2629973. The next prime is 2630041. The reversal of 2629988 is 8899262.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 1170724 = 1208^2 + 1082^2 .

It is a d-powerful number, because it can be written as 2 + 6⁴ + 2²¹ + 9² + 9⁶ + 8 + 8 .

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 as a sum of consecutive naturals, namely, 328745 + ... + 328752.

It is an arithmetic number, because the mean of its divisors is an integer number (767081).

2^2629988 is an apocalyptic number.

It is an amenable number.

2629988 is a deficient number, since it is larger than the sum of its proper divisors (1972498).

2629988 is a wasteful number, since it uses less digits than its factorization.

2629988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657501 (or 657499 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 2629988 is about 1621.7237742600. The cubic root of 2629988 is about 138.0335282253.

The spelling of 2629988 in words is "two million, six hundred twenty-nine thousand, nine hundred eighty-eight".