83290849 has 4 divisors (see below), whose sum is σ = 84534064. Its totient is φ = 82047636.

The previous prime is 83290841. The next prime is 83290861. The reversal of 83290849 is 94809238.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83290849 - 2³ = 83290841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83290841) 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, 621507 + ... + 621640.

It is an arithmetic number, because the mean of its divisors is an integer number (21133516).

Almost surely, 2^83290849 is an apocalyptic number.

It is an amenable number.

83290849 is a deficient number, since it is larger than the sum of its proper divisors (1243215).

83290849 is a wasteful number, since it uses less digits than its factorization.

83290849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243214.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 83290849 is about 9126.3820323280. The cubic root of 83290849 is about 436.7159927833.

The spelling of 83290849 in words is "eighty-three million, two hundred ninety thousand, eight hundred forty-nine".