783872 has 20 divisors (see below), whose sum is σ = 1567236. Its totient is φ = 391680.

The previous prime is 783869. The next prime is 783877. The reversal of 783872 is 278387.

It is a happy number.

It is a super-2 number, since 2×783872² = 1228910624768, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254 + ... + 1277.

2⁷⁸³⁸⁷² is an apocalyptic number.

It is an amenable number.

783872 is a deficient number, since it is larger than the sum of its proper divisors (783364).

783872 is an equidigital number, since it uses as much as digits as its factorization.

783872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1533 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 783872 is about 885.3654612644. The cubic root of 783872 is about 92.2037074061.

The spelling of 783872 in words is "seven hundred eighty-three thousand, eight hundred seventy-two".