2371387 has 4 divisors (see below), whose sum is σ = 2411640. Its totient is φ = 2331136.

The previous prime is 2371361. The next prime is 2371423. The reversal of 2371387 is 7831732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2371387 - 2¹⁵ = 2338619 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2371307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20038 + ... + 20155.

It is an arithmetic number, because the mean of its divisors is an integer number (602910).

2^2371387 is an apocalyptic number.

2371387 is a deficient number, since it is larger than the sum of its proper divisors (40253).

2371387 is an equidigital number, since it uses as much as digits as its factorization.

2371387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40252.

The product of its digits is 7056, while the sum is 31.

The square root of 2371387 is about 1539.9308426030. The cubic root of 2371387 is about 133.3523924144.

The spelling of 2371387 in words is "two million, three hundred seventy-one thousand, three hundred eighty-seven".