83091964 has 24 divisors (see below), whose sum is σ = 147787920. Its totient is φ = 40871424.

The previous prime is 83091949. The next prime is 83091991. The reversal of 83091964 is 46919038.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116842 + ... + 117550.

It is an arithmetic number, because the mean of its divisors is an integer number (6157830).

Almost surely, 2^83091964 is an apocalyptic number.

It is an amenable number.

83091964 is a deficient number, since it is larger than the sum of its proper divisors (64695956).

83091964 is a wasteful number, since it uses less digits than its factorization.

83091964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 83091964 is about 9115.4793620522. The cubic root of 83091964 is about 436.3681134905.

The spelling of 83091964 in words is "eighty-three million, ninety-one thousand, nine hundred sixty-four".