83428583 has 8 divisors (see below), whose sum is σ = 95447040. Its totient is φ = 71435160.

The previous prime is 83428573. The next prime is 83428589. The reversal of 83428583 is 38582438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83428583 - 2¹⁰ = 83427559 is a prime.

It is a super-2 number, since 2×83428583² = 13920656922775778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83428583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83428589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (11930880).

Almost surely, 2^83428583 is an apocalyptic number.

83428583 is a deficient number, since it is larger than the sum of its proper divisors (12018457).

83428583 is a wasteful number, since it uses less digits than its factorization.

83428583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12517.

The product of its digits is 184320, while the sum is 41.

The square root of 83428583 is about 9133.9248409432. The cubic root of 83428583 is about 436.9565855001.

The spelling of 83428583 in words is "eighty-three million, four hundred twenty-eight thousand, five hundred eighty-three".