83391026 has 16 divisors (see below), whose sum is σ = 127491840. Its totient is φ = 40897680.

The previous prime is 83390959. The next prime is 83391029. The reversal of 83391026 is 62019338.

It is a junction number, because it is equal to n+sod(n) for n = 83390983 and 83391001.

It is not an unprimeable number, because it can be changed into a prime (83391029) 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, 57725 + ... + 59151.

It is an arithmetic number, because the mean of its divisors is an integer number (7968240).

Almost surely, 2^83391026 is an apocalyptic number.

83391026 is a deficient number, since it is larger than the sum of its proper divisors (44100814).

83391026 is a wasteful number, since it uses less digits than its factorization.

83391026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 83391026 is about 9131.8687025165. The cubic root of 83391026 is about 436.8910074889.

The spelling of 83391026 in words is "eighty-three million, three hundred ninety-one thousand, twenty-six".