3099712 has 112 divisors (see below), whose sum is σ = 8339328. Its totient is φ = 1105920.

The previous prime is 3099709. The next prime is 3099713. The reversal of 3099712 is 2179903.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (3099713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83758 + ... + 83794.

Almost surely, 2^3099712 is an apocalyptic number.

3099712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3099712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4169664).

3099712 is an abundant number, since it is smaller than the sum of its proper divisors (5239616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3099712 is a wasteful number, since it uses less digits than its factorization.

3099712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 3099712 is about 1760.5998977621. The cubic root of 3099712 is about 145.8054580372.

The spelling of 3099712 in words is "three million, ninety-nine thousand, seven hundred twelve".