2492865 has 24 divisors (see below), whose sum is σ = 4462848. Its totient is φ = 1285920.

The previous prime is 2492851. The next prime is 2492879. The reversal of 2492865 is 5682942.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2492851) and next prime (2492879).

It is not a de Polignac number, because 2492865 - 2¹³ = 2484673 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502 + ... + 2288.

It is an arithmetic number, because the mean of its divisors is an integer number (185952).

2^2492865 is an apocalyptic number.

It is an amenable number.

2492865 is a deficient number, since it is larger than the sum of its proper divisors (1969983).

2492865 is a wasteful number, since it uses less digits than its factorization.

2492865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1826 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2492865 is about 1578.8809328129. The cubic root of 2492865 is about 135.5916420045.

The spelling of 2492865 in words is "two million, four hundred ninety-two thousand, eight hundred sixty-five".