82305398 has 48 divisors (see below), whose sum is σ = 153653760. Its totient is φ = 32852736.

The previous prime is 82305389. The next prime is 82305407. The reversal of 82305398 is 89350328.

It is an interprime number because it is at equal distance from previous prime (82305389) and next prime (82305407).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211388 + ... + 211776.

It is an arithmetic number, because the mean of its divisors is an integer number (3201120).

Almost surely, 2^82305398 is an apocalyptic number.

82305398 is a deficient number, since it is larger than the sum of its proper divisors (71348362).

82305398 is a wasteful number, since it uses less digits than its factorization.

82305398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 82305398 is about 9072.2322501135. The cubic root of 82305398 is about 434.9868283324.

The spelling of 82305398 in words is "eighty-two million, three hundred five thousand, three hundred ninety-eight".