474138 has 48 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 131040.

The previous prime is 474137. The next prime is 474143. The reversal of 474138 is 831474.

It is not an unprimeable number, because it can be changed into a prime (474137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6643 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (25272).

474138 is a Friedman number, since it can be written as 78^3-414, using all its digits and the basic arithmetic operations.

2⁴⁷⁴¹³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606528).

474138 is an abundant number, since it is smaller than the sum of its proper divisors (738918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

474138 is a wasteful number, since it uses less digits than its factorization.

474138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 474138 is about 688.5767931030. The cubic root of 474138 is about 77.9773109550.

The spelling of 474138 in words is "four hundred seventy-four thousand, one hundred thirty-eight".