3140940 has 48 divisors (see below), whose sum is σ = 9596160. Its totient is φ = 761280.

The previous prime is 3140933. The next prime is 3140959. The reversal of 3140940 is 490413.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (199920).

Almost surely, 2^3140940 is an apocalyptic number.

3140940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3140940 is an abundant number, since it is smaller than the sum of its proper divisors (6455220).

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

3140940 is a wasteful number, since it uses less digits than its factorization.

3140940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 4780 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3140940 is about 1772.2697311640. The cubic root of 3140940 is about 146.4490459458.

The spelling of 3140940 in words is "three million, one hundred forty thousand, nine hundred forty".