2631489 has 24 divisors (see below), whose sum is σ = 4180800. Its totient is φ = 1442112.

The previous prime is 2631487. The next prime is 2631493. The reversal of 2631489 is 9841362.

It is not a de Polignac number, because 2631489 - 2¹ = 2631487 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁵ + 3⁷ + 1 + 4 + 8⁷ + 9² .

2631489 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17587 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (174200).

2^2631489 is an apocalyptic number.

2631489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2631489 is a deficient number, since it is larger than the sum of its proper divisors (1549311).

2631489 is a wasteful number, since it uses less digits than its factorization.

2631489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 188 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 2631489 is about 1622.1864874299. The cubic root of 2631489 is about 138.0597829614.

The spelling of 2631489 in words is "two million, six hundred thirty-one thousand, four hundred eighty-nine".