82904365 has 8 divisors (see below), whose sum is σ = 99656568. Its totient is φ = 66209280.

The previous prime is 82904363. The next prime is 82904377. The reversal of 82904365 is 56340928.

It can be written as a sum of positive squares in 4 ways, for example, as 4652649 + 78251716 = 2157^2 + 8846^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82904365 - 2¹ = 82904363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82904363) 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, 11016 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (12457071).

Almost surely, 2^82904365 is an apocalyptic number.

It is an amenable number.

82904365 is a deficient number, since it is larger than the sum of its proper divisors (16752203).

82904365 is a wasteful number, since it uses less digits than its factorization.

82904365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28559.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 82904365 is about 9105.1834138583. The cubic root of 82904365 is about 436.0394659587.

The spelling of 82904365 in words is "eighty-two million, nine hundred four thousand, three hundred sixty-five".