3130726 has 8 divisors (see below), whose sum is σ = 4707000. Its totient is φ = 1561728.

The previous prime is 3130711. The next prime is 3130733. The reversal of 3130726 is 6270313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3130697 and 3130706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (588375).

Almost surely, 2^3130726 is an apocalyptic number.

3130726 is a deficient number, since it is larger than the sum of its proper divisors (1576274).

3130726 is a wasteful number, since it uses less digits than its factorization.

3130726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3130726 is about 1769.3857691301. The cubic root of 3130726 is about 146.2901280298.

The spelling of 3130726 in words is "three million, one hundred thirty thousand, seven hundred twenty-six".