2490706 has 4 divisors (see below), whose sum is σ = 3736062. Its totient is φ = 1245352.

The previous prime is 2490701. The next prime is 2490707. The reversal of 2490706 is 6070942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1540081 + 950625 = 1241^2 + 975^2 .

It is not an unprimeable number, because it can be changed into a prime (2490701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622675 + ... + 622678.

2^2490706 is an apocalyptic number.

2490706 is a deficient number, since it is larger than the sum of its proper divisors (1245356).

2490706 is a wasteful number, since it uses less digits than its factorization.

2490706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245355.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2490706 is about 1578.1970726117. The cubic root of 2490706 is about 135.5524866675.

The spelling of 2490706 in words is "two million, four hundred ninety thousand, seven hundred six".