2492918 has 4 divisors (see below), whose sum is σ = 3739380. Its totient is φ = 1246458.

The previous prime is 2492899. The next prime is 2492951. The reversal of 2492918 is 8192942.

2492918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8192942 = 2 ⋅4096471.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 623228 + ... + 623231.

It is an arithmetic number, because the mean of its divisors is an integer number (934845).

2^2492918 is an apocalyptic number.

2492918 is a deficient number, since it is larger than the sum of its proper divisors (1246462).

2492918 is a wasteful number, since it uses less digits than its factorization.

2492918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246461.

The product of its digits is 10368, while the sum is 35.

The square root of 2492918 is about 1578.8977167632. The cubic root of 2492918 is about 135.5926029211.

The spelling of 2492918 in words is "two million, four hundred ninety-two thousand, nine hundred eighteen".