83306690 has 16 divisors (see below), whose sum is σ = 156472128. Its totient is φ = 31873776.

The previous prime is 83306687. The next prime is 83306693. The reversal of 83306690 is 9660338.

It is an interprime number because it is at equal distance from previous prime (83306687) and next prime (83306693).

It is a super-2 number, since 2×83306690² = 13880009197512200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83306690.

It is not an unprimeable number, because it can be changed into a prime (83306693) 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, 180872 + ... + 181331.

It is an arithmetic number, because the mean of its divisors is an integer number (9779508).

Almost surely, 2^83306690 is an apocalyptic number.

83306690 is a deficient number, since it is larger than the sum of its proper divisors (73165438).

83306690 is a wasteful number, since it uses less digits than its factorization.

83306690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362233.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 83306690 is about 9127.2498596237. The cubic root of 83306690 is about 436.7436772152.

The spelling of 83306690 in words is "eighty-three million, three hundred six thousand, six hundred ninety".