2371491 has 8 divisors (see below), whose sum is σ = 3513360. Its totient is φ = 1580976.

The previous prime is 2371489. The next prime is 2371511. The reversal of 2371491 is 1941732.

2371491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2371491 - 2¹ = 2371489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 87833 = 2371491 / (2 + 3 + 7 + 1 + 4 + 9 + 1).

2371491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2371091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43890 + ... + 43943.

It is an arithmetic number, because the mean of its divisors is an integer number (439170).

2^2371491 is an apocalyptic number.

2371491 is a deficient number, since it is larger than the sum of its proper divisors (1141869).

2371491 is an equidigital number, since it uses as much as digits as its factorization.

2371491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87842 (or 87836 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2371491 is about 1539.9646099830. The cubic root of 2371491 is about 133.3543418285.

It can be divided in two parts, 237 and 1491, that added together give a cube (1728 = 12³).

The spelling of 2371491 in words is "two million, three hundred seventy-one thousand, four hundred ninety-one".