83612806 has 16 divisors (see below), whose sum is σ = 132840000. Its totient is φ = 39360168.

The previous prime is 83612791. The next prime is 83612821. The reversal of 83612806 is 60821638.

It is an interprime number because it is at equal distance from previous prime (83612791) and next prime (83612821).

It is a super-2 number, since 2×83612806² = 13982202654387272, which contains 22 as substring.

It is a congruent 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, 556 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (8302500).

Almost surely, 2^83612806 is an apocalyptic number.

83612806 is a deficient number, since it is larger than the sum of its proper divisors (49227194).

83612806 is a wasteful number, since it uses less digits than its factorization.

83612806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 83612806 is about 9144.0038276457. The cubic root of 83612806 is about 437.2779712591.

The spelling of 83612806 in words is "eighty-three million, six hundred twelve thousand, eight hundred six".