2630988 has 48 divisors (see below), whose sum is σ = 7227360. Its totient is φ = 824832.

The previous prime is 2630951. The next prime is 2630989. The reversal of 2630988 is 8890362.

It is a super-2 number, since 2×2630988² = 13844195712288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2630989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (150570).

2^2630988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2630988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3613680).

2630988 is an abundant number, since it is smaller than the sum of its proper divisors (4596372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2630988 is a wasteful number, since it uses less digits than its factorization.

2630988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2630988 is about 1622.0320588694. The cubic root of 2630988 is about 138.0510208320.

The spelling of 2630988 in words is "two million, six hundred thirty thousand, nine hundred eighty-eight".