2494987 has 4 divisors (see below), whose sum is σ = 2721816. Its totient is φ = 2268160.

The previous prime is 2494981. The next prime is 2494991. The reversal of 2494987 is 7894942.

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 2494987 - 2³ = 2494979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2494981) 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, 113398 + ... + 113419.

It is an arithmetic number, because the mean of its divisors is an integer number (680454).

2^2494987 is an apocalyptic number.

2494987 is a deficient number, since it is larger than the sum of its proper divisors (226829).

2494987 is a wasteful number, since it uses less digits than its factorization.

2494987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226828.

The product of its digits is 145152, while the sum is 43.

The square root of 2494987 is about 1579.5527848097. The cubic root of 2494987 is about 135.6301042909.

It can be divided in two parts, 2494 and 987, that added together give a square (3481 = 59²).

The spelling of 2494987 in words is "two million, four hundred ninety-four thousand, nine hundred eighty-seven".