1942940 has 24 divisors (see below), whose sum is σ = 4295760. Its totient is φ = 736128.

The previous prime is 1942939. The next prime is 1942943. The reversal of 1942940 is 492491.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942943) 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, 2177 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (178990).

2^1942940 is an apocalyptic number.

1942940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942940 is an abundant number, since it is smaller than the sum of its proper divisors (2352820).

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

1942940 is a wasteful number, since it uses less digits than its factorization.

1942940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1942940 is about 1393.8938266597. The cubic root of 1942940 is about 124.7823412172.

It can be divided in two parts, 1942 and 940, that added together give a palindrome (2882).

The spelling of 1942940 in words is "one million, nine hundred forty-two thousand, nine hundred forty".