783213432 has 48 divisors (see below), whose sum is σ = 1970041320. Its totient is φ = 259479360.

The previous prime is 783213413. The next prime is 783213437. The reversal of 783213432 is 234312387.

It is a super-2 number, since 2×783213432² = 1226846560130437248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 783213393 and 783213402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783213437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068138 + ... + 1068870.

Almost surely, 2^783213432 is an apocalyptic number.

It is an amenable number.

783213432 is an abundant number, since it is smaller than the sum of its proper divisors (1186827888).

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

783213432 is a wasteful number, since it uses less digits than its factorization.

783213432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 949 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 783213432 is about 27985.9506181227. The cubic root of 783213432 is about 921.7787860395.

The spelling of 783213432 in words is "seven hundred eighty-three million, two hundred thirteen thousand, four hundred thirty-two".