84839992 has 16 divisors (see below), whose sum is σ = 159332040. Its totient is φ = 42351456.

The previous prime is 84839987. The next prime is 84839999. The reversal of 84839992 is 29993848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84839999) 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, 3103 + ... + 13390.

Almost surely, 2^84839992 is an apocalyptic number.

It is an amenable number.

84839992 is a deficient number, since it is larger than the sum of its proper divisors (74492048).

84839992 is a wasteful number, since it uses less digits than its factorization.

84839992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17142 (or 17138 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 84839992 is about 9210.8627174657. The cubic root of 84839992 is about 439.4069006135.

It can be divided in two parts, 8 and 4839992, that added together give a square (4840000 = 2200²).

The spelling of 84839992 in words is "eighty-four million, eight hundred thirty-nine thousand, nine hundred ninety-two".