1942872 has 16 divisors (see below), whose sum is σ = 4857240. Its totient is φ = 647616.

The previous prime is 1942859. The next prime is 1942873. The reversal of 1942872 is 2782491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40453 + ... + 40500.

2^1942872 is an apocalyptic number.

1942872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1942872 is an abundant number, since it is smaller than the sum of its proper divisors (2914368).

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

1942872 is a wasteful number, since it uses less digits than its factorization.

1942872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80962 (or 80958 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1942872 is about 1393.8694343446. The cubic root of 1942872 is about 124.7808854683.

The spelling of 1942872 in words is "one million, nine hundred forty-two thousand, eight hundred seventy-two".