83402806 has 16 divisors (see below), whose sum is σ = 127766016. Its totient is φ = 40822056.

The previous prime is 83402791. The next prime is 83402849. The reversal of 83402806 is 60820438.

It is a happy number.

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, 20515 + ... + 24241.

It is an arithmetic number, because the mean of its divisors is an integer number (7985376).

Almost surely, 2^83402806 is an apocalyptic number.

83402806 is a deficient number, since it is larger than the sum of its proper divisors (44363210).

83402806 is a wasteful number, since it uses less digits than its factorization.

83402806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 83402806 is about 9132.5136736826. The cubic root of 83402806 is about 436.9115785823.

The spelling of 83402806 in words is "eighty-three million, four hundred two thousand, eight hundred six".