84650631 has 8 divisors (see below), whose sum is σ = 121549680. Its totient is φ = 52092672.

The previous prime is 84650611. The next prime is 84650641. The reversal of 84650631 is 13605648.

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

It is not a de Polignac number, because 84650631 - 2¹¹ = 84648583 is a prime.

It is a super-2 number, since 2×84650631² = 14331458657396322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 84650592 and 84650601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84650611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085226 + ... + 1085303.

It is an arithmetic number, because the mean of its divisors is an integer number (15193710).

Almost surely, 2^84650631 is an apocalyptic number.

84650631 is a deficient number, since it is larger than the sum of its proper divisors (36899049).

84650631 is a wasteful number, since it uses less digits than its factorization.

84650631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170545.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 84650631 is about 9200.5777535979. The cubic root of 84650631 is about 439.0797415695.

The spelling of 84650631 in words is "eighty-four million, six hundred fifty thousand, six hundred thirty-one".