82243398 has 16 divisors (see below), whose sum is σ = 164614896. Its totient is φ = 27393120.

The previous prime is 82243327. The next prime is 82243409. The reversal of 82243398 is 89334228.

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, 4368 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (10288431).

Almost surely, 2^82243398 is an apocalyptic number.

82243398 is an abundant number, since it is smaller than the sum of its proper divisors (82371498).

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

82243398 is a wasteful number, since it uses less digits than its factorization.

82243398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679.

The product of its digits is 82944, while the sum is 39.

The square root of 82243398 is about 9068.8145862621. The cubic root of 82243398 is about 434.8775768587.

The spelling of 82243398 in words is "eighty-two million, two hundred forty-three thousand, three hundred ninety-eight".