82986946 has 16 divisors (see below), whose sum is σ = 149751360. Its totient is φ = 33693840.

The previous prime is 82986941. The next prime is 82986949. The reversal of 82986946 is 64968928.

It is a junction number, because it is equal to n+sod(n) for n = 82986893 and 82986902.

It is not an unprimeable number, because it can be changed into a prime (82986941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155725 + ... + 156256.

It is an arithmetic number, because the mean of its divisors is an integer number (9359460).

Almost surely, 2^82986946 is an apocalyptic number.

82986946 is a deficient number, since it is larger than the sum of its proper divisors (66764414).

82986946 is a wasteful number, since it uses less digits than its factorization.

82986946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312009.

The product of its digits is 1492992, while the sum is 52.

The square root of 82986946 is about 9109.7171196476. The cubic root of 82986946 is about 436.1841974844.

The spelling of 82986946 in words is "eighty-two million, nine hundred eighty-six thousand, nine hundred forty-six".