83828531 has 8 divisors (see below), whose sum is σ = 86827680. Its totient is φ = 80836672.

The previous prime is 83828501. The next prime is 83828539. The reversal of 83828531 is 13582838.

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 83828531 - 2¹⁴ = 83812147 is a prime.

It is a super-2 number, since 2×83828531² = 14054445219235922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83828539) 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, 33386 + ... + 35808.

It is an arithmetic number, because the mean of its divisors is an integer number (10853460).

Almost surely, 2^83828531 is an apocalyptic number.

83828531 is a deficient number, since it is larger than the sum of its proper divisors (2999149).

83828531 is a wasteful number, since it uses less digits than its factorization.

83828531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645.

The product of its digits is 46080, while the sum is 38.

The square root of 83828531 is about 9155.7922103988. The cubic root of 83828531 is about 437.6537142588.

The spelling of 83828531 in words is "eighty-three million, eight hundred twenty-eight thousand, five hundred thirty-one".