82209386 has 16 divisors (see below), whose sum is σ = 142043136. Its totient is φ = 34954416.

The previous prime is 82209367. The next prime is 82209401. The reversal of 82209386 is 68390228.

It is a happy 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, 21341 + ... + 24896.

It is an arithmetic number, because the mean of its divisors is an integer number (8877696).

Almost surely, 2^82209386 is an apocalyptic number.

82209386 is a deficient number, since it is larger than the sum of its proper divisors (59833750).

82209386 is a wasteful number, since it uses less digits than its factorization.

82209386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46373.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 82209386 is about 9066.9391748263. The cubic root of 82209386 is about 434.8176202910.

The spelling of 82209386 in words is "eighty-two million, two hundred nine thousand, three hundred eighty-six".