8164474 has 4 divisors (see below), whose sum is σ = 12246714. Its totient is φ = 4082236.

The previous prime is 8164469. The next prime is 8164477. The reversal of 8164474 is 4744618.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4744618 = 2 ⋅2372309.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 2025 = 2857^2 + 45^2 .

It is not an unprimeable number, because it can be changed into a prime (8164477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2041117 + ... + 2041120.

Almost surely, 2^8164474 is an apocalyptic number.

8164474 is a deficient number, since it is larger than the sum of its proper divisors (4082240).

8164474 is a wasteful number, since it uses less digits than its factorization.

8164474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082239.

The product of its digits is 21504, while the sum is 34.

The square root of 8164474 is about 2857.3543707423. The cubic root of 8164474 is about 201.3613295522.

It can be divided in two parts, 81644 and 74, that added together give a palindrome (81718).

The spelling of 8164474 in words is "eight million, one hundred sixty-four thousand, four hundred seventy-four".