84241831 has 4 divisors (see below), whose sum is σ = 84728952. Its totient is φ = 83754712.

The previous prime is 84241819. The next prime is 84241837. The reversal of 84241831 is 13814248.

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

It is a cyclic number.

It is not a de Polignac number, because 84241831 - 2⁹ = 84241319 is a prime.

It is a super-2 number, since 2×84241831² = 14193372180465122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84241793 and 84241802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84241837) 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, 243301 + ... + 243646.

It is an arithmetic number, because the mean of its divisors is an integer number (21182238).

Almost surely, 2^84241831 is an apocalyptic number.

84241831 is a deficient number, since it is larger than the sum of its proper divisors (487121).

84241831 is a wasteful number, since it uses less digits than its factorization.

84241831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487120.

The product of its digits is 6144, while the sum is 31.

The square root of 84241831 is about 9178.3348707704. The cubic root of 84241831 is about 438.3717904770.

The spelling of 84241831 in words is "eighty-four million, two hundred forty-one thousand, eight hundred thirty-one".