2940540 has 24 divisors (see below), whose sum is σ = 8233680. Its totient is φ = 784128.

The previous prime is 2940523. The next prime is 2940551. The reversal of 2940540 is 450492.

2940540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2940540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24445 + ... + 24564.

It is an arithmetic number, because the mean of its divisors is an integer number (343070).

2^2940540 is an apocalyptic number.

2940540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2940540 is an abundant number, since it is smaller than the sum of its proper divisors (5293140).

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

2940540 is a wasteful number, since it uses less digits than its factorization.

2940540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49021 (or 49019 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2940540 is about 1714.8002799160. The cubic root of 2940540 is about 143.2657454314.

Subtracting from 2940540 its product of nonzero digits (1440), we obtain a triangular number (2939100 = T₂₄₂₄).

It can be divided in two parts, 2940 and 540, that multiplied together give a square (1587600 = 1260²).

The spelling of 2940540 in words is "two million, nine hundred forty thousand, five hundred forty".