1872940 has 24 divisors (see below), whose sum is σ = 4041072. Its totient is φ = 728640.

The previous prime is 1872929. The next prime is 1872943. The reversal of 1872940 is 492781.

It is not an unprimeable number, because it can be changed into a prime (1872943) 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, 526 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (168378).

2^1872940 is an apocalyptic number.

1872940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1872940 is an abundant number, since it is smaller than the sum of its proper divisors (2168132).

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

1872940 is a wasteful number, since it uses less digits than its factorization.

1872940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1872940 is about 1368.5539813979. The cubic root of 1872940 is about 123.2654280848.

It can be divided in two parts, 18729 and 40, that added together give a square (18769 = 137²).

The spelling of 1872940 in words is "one million, eight hundred seventy-two thousand, nine hundred forty".