84860943 has 32 divisors (see below), whose sum is σ = 120325632. Its totient is φ = 53136000.

The previous prime is 84860933. The next prime is 84860959. The reversal of 84860943 is 34906848.

It is a Cunningham number, because it is equal to 9212²-1.

It is not a de Polignac number, because 84860943 - 2⁵ = 84860911 is a prime.

It is a super-3 number, since 3×84860943³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84860895 and 84860904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84860933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561918 + ... + 562068.

It is an arithmetic number, because the mean of its divisors is an integer number (3760176).

Almost surely, 2^84860943 is an apocalyptic number.

84860943 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

84860943 is a deficient number, since it is larger than the sum of its proper divisors (35464689).

84860943 is a wasteful number, since it uses less digits than its factorization.

84860943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 84860943 is about 9211.9999457230. Note that the first 4 decimals coincide. The cubic root of 84860943 is about 439.4430677405.

The spelling of 84860943 in words is "eighty-four million, eight hundred sixty thousand, nine hundred forty-three".