86474 has 4 divisors (see below), whose sum is σ = 129714. Its totient is φ = 43236.

The previous prime is 86467. The next prime is 86477. The reversal of 86474 is 47468.

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., 85849 + 625 = 293^2 + 25^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86474.

It is not an unprimeable number, because it can be changed into a prime (86477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21617 + ... + 21620.

2⁸⁶⁴⁷⁴ is an apocalyptic number.

86474 is a deficient number, since it is larger than the sum of its proper divisors (43240).

86474 is a wasteful number, since it uses less digits than its factorization.

86474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43239.

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

The square root of 86474 is about 294.0646187490. The cubic root of 86474 is about 44.2209956011.

It can be divided in two parts, 864 and 74, that multiplied together give a palindrome (63936).

The spelling of 86474 in words is "eighty-six thousand, four hundred seventy-four".