83417393 has 4 divisors (see below), whose sum is σ = 83702388. Its totient is φ = 83132400.

The previous prime is 83417359. The next prime is 83417423. The reversal of 83417393 is 39371438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57274624 + 26142769 = 7568^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 83417393 - 2¹⁰ = 83416369 is a prime.

It is a super-2 number, since 2×83417393² = 13916922909832898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83417303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142058 + ... + 142643.

It is an arithmetic number, because the mean of its divisors is an integer number (20925597).

Almost surely, 2^83417393 is an apocalyptic number.

It is an amenable number.

83417393 is a deficient number, since it is larger than the sum of its proper divisors (284995).

83417393 is a wasteful number, since it uses less digits than its factorization.

83417393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284994.

The product of its digits is 54432, while the sum is 38.

The square root of 83417393 is about 9133.3122688322. The cubic root of 83417393 is about 436.9370487792.

The spelling of 83417393 in words is "eighty-three million, four hundred seventeen thousand, three hundred ninety-three".