2587992 has 32 divisors (see below), whose sum is σ = 7058880. Its totient is φ = 784160.

The previous prime is 2587979. The next prime is 2587993. The reversal of 2587992 is 2997852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4638 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (220590).

2^2587992 is an apocalyptic number.

2587992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2587992 is an abundant number, since it is smaller than the sum of its proper divisors (4470888).

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

2587992 is a wasteful number, since it uses less digits than its factorization.

2587992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823 (or 9819 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 2587992 is about 1608.7237177340. The cubic root of 2587992 is about 137.2948698853.

The spelling of 2587992 in words is "two million, five hundred eighty-seven thousand, nine hundred ninety-two".