2939140 has 24 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 1168608.

The previous prime is 2939137. The next prime is 2939143. The reversal of 2939140 is 419392.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2939137) and next prime (2939143).

It is a junction number, because it is equal to n+sod(n) for n = 2939099 and 2939108.

It is not an unprimeable number, because it can be changed into a prime (2939143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4131 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (258720).

2^2939140 is an apocalyptic number.

2939140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2939140 is an abundant number, since it is smaller than the sum of its proper divisors (3270140).

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

2939140 is a wasteful number, since it uses less digits than its factorization.

2939140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2939140 is about 1714.3920205134. The cubic root of 2939140 is about 143.2430054037.

The spelling of 2939140 in words is "two million, nine hundred thirty-nine thousand, one hundred forty".