2491437 has 16 divisors (see below), whose sum is σ = 3606848. Its totient is φ = 1520640.

The previous prime is 2491397. The next prime is 2491453. The reversal of 2491437 is 7341942.

It is a happy number.

It is not a de Polignac number, because 2491437 - 2¹⁰ = 2490413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491457) 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, 7362 + ... + 7692.

It is an arithmetic number, because the mean of its divisors is an integer number (225428).

2^2491437 is an apocalyptic number.

It is an amenable number.

2491437 is a deficient number, since it is larger than the sum of its proper divisors (1115411).

2491437 is a wasteful number, since it uses less digits than its factorization.

2491437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 6048, while the sum is 30.

The square root of 2491437 is about 1578.4286490051. The cubic root of 2491437 is about 135.5657465190.

The spelling of 2491437 in words is "two million, four hundred ninety-one thousand, four hundred thirty-seven".