83906612 has 6 divisors (see below), whose sum is σ = 146836578. Its totient is φ = 41953304.

The previous prime is 83906591. The next prime is 83906621. The reversal of 83906612 is 21660938.

It can be written as a sum of positive squares in only one way, i.e., 66650896 + 17255716 = 8164^2 + 4154^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10488323 + ... + 10488330.

It is an arithmetic number, because the mean of its divisors is an integer number (24472763).

Almost surely, 2^83906612 is an apocalyptic number.

It is an amenable number.

83906612 is a deficient number, since it is larger than the sum of its proper divisors (62929966).

83906612 is a wasteful number, since it uses less digits than its factorization.

83906612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20976657 (or 20976655 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 83906612 is about 9160.0552400081. The cubic root of 83906612 is about 437.7895543875.

The spelling of 83906612 in words is "eighty-three million, nine hundred six thousand, six hundred twelve".