3081400 has 96 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 1008000.

The previous prime is 3081391. The next prime is 3081413. The reversal of 3081400 is 41803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43365 + ... + 43435.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

Almost surely, 2^3081400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285440).

3081400 is an abundant number, since it is smaller than the sum of its proper divisors (5489480).

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

3081400 is a wasteful number, since it uses less digits than its factorization.

3081400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3081400 is about 1755.3916941811. The cubic root of 3081400 is about 145.5177684437.

It can be divided in two parts, 3081 and 400, that added together give a square (3481 = 59²).

The spelling of 3081400 in words is "three million, eighty-one thousand, four hundred".