1957872 has 40 divisors (see below), whose sum is σ = 5781376. Its totient is φ = 559296.

The previous prime is 1957871. The next prime is 1957903. The reversal of 1957872 is 2787591.

It is a self number, because there is not a number n which added to its sum of digits gives 1957872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957871) 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, 2578 + ... + 3249.

2^1957872 is an apocalyptic number.

1957872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1957872 is an abundant number, since it is smaller than the sum of its proper divisors (3823504).

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

1957872 is a wasteful number, since it uses less digits than its factorization.

1957872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845 (or 5839 counting only the distinct ones).

The product of its digits is 35280, while the sum is 39.

The square root of 1957872 is about 1399.2397936022. The cubic root of 1957872 is about 125.1011874001.

The spelling of 1957872 in words is "one million, nine hundred fifty-seven thousand, eight hundred seventy-two".