474187 has 4 divisors (see below), whose sum is σ = 541936. Its totient is φ = 406440.

The previous prime is 474169. The next prime is 474197. The reversal of 474187 is 781474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781474 = 2 ⋅390737.

It is a cyclic number.

It is not a de Polignac number, because 474187 - 2⁷ = 474059 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

474187 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (474127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33864 + ... + 33877.

It is an arithmetic number, because the mean of its divisors is an integer number (135484).

2⁴⁷⁴¹⁸⁷ is an apocalyptic number.

474187 is a deficient number, since it is larger than the sum of its proper divisors (67749).

474187 is an equidigital number, since it uses as much as digits as its factorization.

474187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67748.

The product of its digits is 6272, while the sum is 31.

The square root of 474187 is about 688.6123728194. The cubic root of 474187 is about 77.9799970623.

The spelling of 474187 in words is "four hundred seventy-four thousand, one hundred eighty-seven".