83346381 has 8 divisors (see below), whose sum is σ = 123476160. Its totient is φ = 55564236.

The previous prime is 83346379. The next prime is 83346391. The reversal of 83346381 is 18364338.

It is a happy number.

It is not a de Polignac number, because 83346381 - 2¹ = 83346379 is a prime.

It is a super-2 number, since 2×83346381² = 13893238451594322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83346371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543425 + ... + 1543478.

It is an arithmetic number, because the mean of its divisors is an integer number (15434520).

Almost surely, 2^83346381 is an apocalyptic number.

It is an amenable number.

83346381 is a deficient number, since it is larger than the sum of its proper divisors (40129779).

83346381 is a wasteful number, since it uses less digits than its factorization.

83346381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086912 (or 3086906 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 83346381 is about 9129.4239139170. The cubic root of 83346381 is about 436.8130275519.

The spelling of 83346381 in words is "eighty-three million, three hundred forty-six thousand, three hundred eighty-one".