84674 has 4 divisors (see below), whose sum is σ = 127014. Its totient is φ = 42336.

The previous prime is 84673. The next prime is 84691. The reversal of 84674 is 47648.

84674 = 167² + 168² + 169².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60025 + 24649 = 245^2 + 157^2 .

It is not an unprimeable number, because it can be changed into a prime (84673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21167 + ... + 21170.

2⁸⁴⁶⁷⁴ is an apocalyptic number.

84674 is a deficient number, since it is larger than the sum of its proper divisors (42340).

84674 is a wasteful number, since it uses less digits than its factorization.

84674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42339.

The product of its digits is 5376, while the sum is 29.

The square root of 84674 is about 290.9879722600. The cubic root of 84674 is about 43.9120142569.

It can be divided in two parts, 84 and 674, that multiplied together give a triangular number (56616 = T₃₃₆).

The spelling of 84674 in words is "eighty-four thousand, six hundred seventy-four".