2492187 has 4 divisors (see below), whose sum is σ = 3322920. Its totient is φ = 1661456.

The previous prime is 2492159. The next prime is 2492197. The reversal of 2492187 is 7812942.

It is a happy number.

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 2492187 - 2⁶ = 2492123 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2492117) 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, 415362 + ... + 415367.

It is an arithmetic number, because the mean of its divisors is an integer number (830730).

2^2492187 is an apocalyptic number.

2492187 is a deficient number, since it is larger than the sum of its proper divisors (830733).

2492187 is an equidigital number, since it uses as much as digits as its factorization.

2492187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830732.

The product of its digits is 8064, while the sum is 33.

The square root of 2492187 is about 1578.6662091779. Note that the first 3 decimals coincide. The cubic root of 2492187 is about 135.5793483225.

The spelling of 2492187 in words is "two million, four hundred ninety-two thousand, one hundred eighty-seven".