474638 has 4 divisors (see below), whose sum is σ = 711960. Its totient is φ = 237318.

The previous prime is 474629. The next prime is 474647. The reversal of 474638 is 836474.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (474629) and next prime (474647).

It is a congruent number.

It is an unprimeable number.

474638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 118658 + ... + 118661.

It is an arithmetic number, because the mean of its divisors is an integer number (177990).

474638 is a Friedman number, since it can be written as 86+(74+4)^3, using all its digits and the basic arithmetic operations.

2⁴⁷⁴⁶³⁸ is an apocalyptic number.

474638 is a deficient number, since it is larger than the sum of its proper divisors (237322).

474638 is a wasteful number, since it uses less digits than its factorization.

474638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237321.

The product of its digits is 16128, while the sum is 32.

The square root of 474638 is about 688.9397651464. The cubic root of 474638 is about 78.0047115278.

The spelling of 474638 in words is "four hundred seventy-four thousand, six hundred thirty-eight".