3100940 has 12 divisors (see below), whose sum is σ = 6512016. Its totient is φ = 1240368.

The previous prime is 3100939. The next prime is 3100949. The reversal of 3100940 is 490013.

It is not an unprimeable number, because it can be changed into a prime (3100949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77504 + ... + 77543.

It is an arithmetic number, because the mean of its divisors is an integer number (542668).

Almost surely, 2^3100940 is an apocalyptic number.

It is an amenable number.

3100940 is an abundant number, since it is smaller than the sum of its proper divisors (3411076).

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

3100940 is a wasteful number, since it uses less digits than its factorization.

3100940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155056 (or 155054 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3100940 is about 1760.9486079951. The cubic root of 3100940 is about 145.8247098756.

Adding to 3100940 its reverse (490013), we get a palindrome (3590953).

The spelling of 3100940 in words is "three million, one hundred thousand, nine hundred forty".