83681036 has 6 divisors (see below), whose sum is σ = 146441820. Its totient is φ = 41840516.

The previous prime is 83681033. The next prime is 83681047. The reversal of 83681036 is 63018638.

It is a happy number.

It is a super-3 number, since 3×83681036³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83680987 and 83681005.

It is not an unprimeable number, because it can be changed into a prime (83681033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10460126 + ... + 10460133.

It is an arithmetic number, because the mean of its divisors is an integer number (24406970).

Almost surely, 2^83681036 is an apocalyptic number.

It is an amenable number.

83681036 is a deficient number, since it is larger than the sum of its proper divisors (62760784).

83681036 is a wasteful number, since it uses less digits than its factorization.

83681036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20920263 (or 20920261 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 83681036 is about 9147.7339270444. The cubic root of 83681036 is about 437.3968819284.

The spelling of 83681036 in words is "eighty-three million, six hundred eighty-one thousand, thirty-six".