84839873 has 8 divisors (see below), whose sum is σ = 85969440. Its totient is φ = 83714400.

The previous prime is 84839857. The next prime is 84839879. The reversal of 84839873 is 37893848.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84839873 - 2⁴ = 84839857 is a prime.

It is a super-2 number, since 2×84839873² = 14395608101312258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84839879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80198 + ... + 81248.

It is an arithmetic number, because the mean of its divisors is an integer number (10746180).

Almost surely, 2^84839873 is an apocalyptic number.

It is an amenable number.

84839873 is a deficient number, since it is larger than the sum of its proper divisors (1129567).

84839873 is a wasteful number, since it uses less digits than its factorization.

84839873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047.

The product of its digits is 1161216, while the sum is 50.

The square root of 84839873 is about 9210.8562576994. The cubic root of 84839873 is about 439.4066951702.

The spelling of 84839873 in words is "eighty-four million, eight hundred thirty-nine thousand, eight hundred seventy-three".