2012940 has 72 divisors (see below), whose sum is σ = 6250608. Its totient is φ = 524160.

The previous prime is 2012909. The next prime is 2012951. The reversal of 2012940 is 492102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9435 + ... + 9645.

It is an arithmetic number, because the mean of its divisors is an integer number (86814).

2^2012940 is an apocalyptic number.

2012940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3125304).

2012940 is an abundant number, since it is smaller than the sum of its proper divisors (4237668).

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

2012940 is a wasteful number, since it uses less digits than its factorization.

2012940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2012940 is about 1418.7811670585. The cubic root of 2012940 is about 126.2632440441.

The spelling of 2012940 in words is "two million, twelve thousand, nine hundred forty".