3085731 has 24 divisors (see below), whose sum is σ = 4942080. Its totient is φ = 1839600.

The previous prime is 3085727. The next prime is 3085739. The reversal of 3085731 is 1375803.

It is not a de Polignac number, because 3085731 - 2² = 3085727 is a prime.

It is a super-2 number, since 2×3085731² = 19043471608722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3085695 and 3085704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6810 + ... + 7248.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

Almost surely, 2^3085731 is an apocalyptic number.

3085731 is a deficient number, since it is larger than the sum of its proper divisors (1856349).

3085731 is a wasteful number, since it uses less digits than its factorization.

3085731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3085731 is about 1756.6248888138. The cubic root of 3085731 is about 145.5859130547.

The spelling of 3085731 in words is "three million, eighty-five thousand, seven hundred thirty-one".