83906406 has 24 divisors (see below), whose sum is σ = 182048880. Its totient is φ = 27930096.

The previous prime is 83906401. The next prime is 83906423. The reversal of 83906406 is 60460938.

83906406 is a `hidden beast` number, since 8 + 3 + 9 + 0 + 640 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83906401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12111 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (7585370).

Almost surely, 2^83906406 is an apocalyptic number.

83906406 is an abundant number, since it is smaller than the sum of its proper divisors (98142474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83906406 is a wasteful number, since it uses less digits than its factorization.

83906406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 6457 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 83906406 is about 9160.0439955275. The cubic root of 83906406 is about 437.7891961133.

The spelling of 83906406 in words is "eighty-three million, nine hundred six thousand, four hundred six".