82309432 has 8 divisors (see below), whose sum is σ = 154330200. Its totient is φ = 41154712.

The previous prime is 82309417. The next prime is 82309459. The reversal of 82309432 is 23490328.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 82309394 and 82309403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5144332 + ... + 5144347.

It is an arithmetic number, because the mean of its divisors is an integer number (19291275).

Almost surely, 2^82309432 is an apocalyptic number.

It is an amenable number.

82309432 is a deficient number, since it is larger than the sum of its proper divisors (72020768).

82309432 is a wasteful number, since it uses less digits than its factorization.

82309432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288685 (or 10288681 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 82309432 is about 9072.4545741492. The cubic root of 82309432 is about 434.9939348254.

The spelling of 82309432 in words is "eighty-two million, three hundred nine thousand, four hundred thirty-two".