83412293 has 4 divisors (see below), whose sum is σ = 83536908. Its totient is φ = 83287680.

The previous prime is 83412257. The next prime is 83412317. The reversal of 83412293 is 39221438.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39221438 = 2 ⋅19610719.

It can be written as a sum of positive squares in 2 ways, for example, as 51523684 + 31888609 = 7178^2 + 5647^2 .

It is a cyclic number.

It is not a de Polignac number, because 83412293 - 2⁸ = 83412037 is a prime.

It is a super-2 number, since 2×83412293² = 13915221247035698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83412893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61298 + ... + 62643.

It is an arithmetic number, because the mean of its divisors is an integer number (20884227).

Almost surely, 2^83412293 is an apocalyptic number.

It is an amenable number.

83412293 is a deficient number, since it is larger than the sum of its proper divisors (124615).

83412293 is a wasteful number, since it uses less digits than its factorization.

83412293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124614.

The product of its digits is 10368, while the sum is 32.

The square root of 83412293 is about 9133.0330668404. The cubic root of 83412293 is about 436.9281440641.

The spelling of 83412293 in words is "eighty-three million, four hundred twelve thousand, two hundred ninety-three".