3100040 has 32 divisors (see below), whose sum is σ = 7344000. Its totient is φ = 1174464.

The previous prime is 3100007. The next prime is 3100043. The reversal of 3100040 is 400013.

3100040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3100040² = 19220496003200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (3100043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (229500).

Almost surely, 2^3100040 is an apocalyptic number.

It is an amenable number.

3100040 is an abundant number, since it is smaller than the sum of its proper divisors (4243960).

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

3100040 is a wasteful number, since it uses less digits than its factorization.

3100040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 3100040 is about 1760.6930453659. The cubic root of 3100040 is about 145.8106007196.

Adding to 3100040 its reverse (400013), we get a palindrome (3500053).

The spelling of 3100040 in words is "three million, one hundred thousand, forty".