2131492 has 24 divisors (see below), whose sum is σ = 4106592. Its totient is φ = 960000.

The previous prime is 2131483. The next prime is 2131513. The reversal of 2131492 is 2941312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam 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, 8367 + ... + 8617.

It is an arithmetic number, because the mean of its divisors is an integer number (171108).

2^2131492 is an apocalyptic number.

2131492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2131492 is a deficient number, since it is larger than the sum of its proper divisors (1975100).

2131492 is a wasteful number, since it uses less digits than its factorization.

2131492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 2131492 is about 1459.9630132301. The cubic root of 2131492 is about 128.6948700408.

It can be divided in two parts, 21 and 31492, that added together give a palindrome (31513).

The spelling of 2131492 in words is "two million, one hundred thirty-one thousand, four hundred ninety-two".