3081745 has 8 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 2457840.

The previous prime is 3081737. The next prime is 3081751. The reversal of 3081745 is 5471803.

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

It is not a de Polignac number, because 3081745 - 2³ = 3081737 is a prime.

It is a congruent 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, 1360 + ... + 2830.

It is an arithmetic number, because the mean of its divisors is an integer number (463680).

Almost surely, 2^3081745 is an apocalyptic number.

It is an amenable number.

3081745 is a deficient number, since it is larger than the sum of its proper divisors (627695).

3081745 is a wasteful number, since it uses less digits than its factorization.

3081745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3081745 is about 1755.4899600966. The cubic root of 3081745 is about 145.5231990657.

The spelling of 3081745 in words is "three million, eighty-one thousand, seven hundred forty-five".