84283631 has 4 divisors (see below), whose sum is σ = 84328200. Its totient is φ = 84239064.

The previous prime is 84283609. The next prime is 84283651. The reversal of 84283631 is 13638248.

It is a happy number.

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 84283631 - 2⁶ = 84283567 is a prime.

It is a super-2 number, since 2×84283631² = 14207460909088322, 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 = 84283591 and 84283600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84283651) 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, 19316 + ... + 23273.

It is an arithmetic number, because the mean of its divisors is an integer number (21082050).

Almost surely, 2^84283631 is an apocalyptic number.

84283631 is a deficient number, since it is larger than the sum of its proper divisors (44569).

84283631 is a wasteful number, since it uses less digits than its factorization.

84283631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44568.

The product of its digits is 27648, while the sum is 35.

The square root of 84283631 is about 9180.6116898603. The cubic root of 84283631 is about 438.4442838006. Note that the first 3 decimals are identical.

The spelling of 84283631 in words is "eighty-four million, two hundred eighty-three thousand, six hundred thirty-one".