3115745 has 8 divisors (see below), whose sum is σ = 3762816. Its totient is φ = 2476656.

The previous prime is 3115729. The next prime is 3115751. The reversal of 3115745 is 5475113.

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

It is a cyclic number.

It is not a de Polignac number, because 3115745 - 2⁴ = 3115729 is a prime.

It is an Ulam number.

It is a Duffinian number.

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, 1097 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (470352).

Almost surely, 2^3115745 is an apocalyptic number.

It is an amenable number.

3115745 is a deficient number, since it is larger than the sum of its proper divisors (647071).

3115745 is a wasteful number, since it uses less digits than its factorization.

3115745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its digits is 2100, while the sum is 26.

The square root of 3115745 is about 1765.1473026351. The cubic root of 3115745 is about 146.0564146781.

The spelling of 3115745 in words is "three million, one hundred fifteen thousand, seven hundred forty-five".