83785446 has 12 divisors (see below), whose sum is σ = 181535172. Its totient is φ = 27928476.

The previous prime is 83785441. The next prime is 83785483. The reversal of 83785446 is 64458738.

It is a super-2 number, since 2×83785446² = 14040001922837832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83785441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2327356 + ... + 2327391.

It is an arithmetic number, because the mean of its divisors is an integer number (15127931).

Almost surely, 2^83785446 is an apocalyptic number.

83785446 is an abundant number, since it is smaller than the sum of its proper divisors (97749726).

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

83785446 is a wasteful number, since it uses less digits than its factorization.

83785446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654755 (or 4654752 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 83785446 is about 9153.4390258525. The cubic root of 83785446 is about 437.5787217255.

It can be divided in two parts, 8378 and 5446, that added together give a cube (13824 = 24³).

The spelling of 83785446 in words is "eighty-three million, seven hundred eighty-five thousand, four hundred forty-six".