84983951 has 4 divisors (see below), whose sum is σ = 91521192. Its totient is φ = 78446712.

The previous prime is 84983933. The next prime is 84983959. The reversal of 84983951 is 15938948.

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 84983951 - 2⁶ = 84983887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84983896 and 84983905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84983959) 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, 3268601 + ... + 3268626.

It is an arithmetic number, because the mean of its divisors is an integer number (22880298).

Almost surely, 2^84983951 is an apocalyptic number.

84983951 is a deficient number, since it is larger than the sum of its proper divisors (6537241).

84983951 is a wasteful number, since it uses less digits than its factorization.

84983951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537240.

The product of its digits is 311040, while the sum is 47.

The square root of 84983951 is about 9218.6740369752. The cubic root of 84983951 is about 439.6552930350.

The spelling of 84983951 in words is "eighty-four million, nine hundred eighty-three thousand, nine hundred fifty-one".