2499694 has 4 divisors (see below), whose sum is σ = 3749544. Its totient is φ = 1249846.

The previous prime is 2499689. The next prime is 2499727. The reversal of 2499694 is 4969942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4969942 = 2 ⋅2484971.

It is a self number, because there is not a number n which added to its sum of digits gives 2499694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624922 + ... + 624925.

It is an arithmetic number, because the mean of its divisors is an integer number (937386).

2^2499694 is an apocalyptic number.

2499694 is a deficient number, since it is larger than the sum of its proper divisors (1249850).

2499694 is a wasteful number, since it uses less digits than its factorization.

2499694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249849.

The product of its digits is 139968, while the sum is 43.

The square root of 2499694 is about 1581.0420614266. The cubic root of 2499694 is about 135.7153431919.

The spelling of 2499694 in words is "two million, four hundred ninety-nine thousand, six hundred ninety-four".