2491730 has 16 divisors (see below), whose sum is σ = 4553280. Its totient is φ = 981552.

The previous prime is 2491729. The next prime is 2491757. The reversal of 2491730 is 371942.

It is a self number, because there is not a number n which added to its sum of digits gives 2491730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190 + ... + 2529.

It is an arithmetic number, because the mean of its divisors is an integer number (284580).

2^2491730 is an apocalyptic number.

2491730 is a deficient number, since it is larger than the sum of its proper divisors (2061550).

2491730 is a wasteful number, since it uses less digits than its factorization.

2491730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2491730 is about 1578.5214601012. The cubic root of 2491730 is about 135.5710606151.

The spelling of 2491730 in words is "two million, four hundred ninety-one thousand, seven hundred thirty".