82823430 has 16 divisors (see below), whose sum is σ = 198776304. Its totient is φ = 22086240.

The previous prime is 82823423. The next prime is 82823453. The reversal of 82823430 is 3432828.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2760781 = 82823430 / (8 + 2 + 8 + 2 + 3 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380361 + ... + 1380420.

It is an arithmetic number, because the mean of its divisors is an integer number (12423519).

Almost surely, 2^82823430 is an apocalyptic number.

82823430 is an abundant number, since it is smaller than the sum of its proper divisors (115952874).

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

82823430 is a wasteful number, since it uses less digits than its factorization.

82823430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760791.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 82823430 is about 9100.7378821720. The cubic root of 82823430 is about 435.8975259270.

The spelling of 82823430 in words is "eighty-two million, eight hundred twenty-three thousand, four hundred thirty".