474390 has 64 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 108000.

The previous prime is 474389. The next prime is 474391. The reversal of 474390 is 93474.

It is an interprime number because it is at equal distance from previous prime (474389) and next prime (474391).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474391) 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 31 ways as a sum of consecutive naturals, for example, 1765 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2⁴⁷⁴³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

474390 is an abundant number, since it is smaller than the sum of its proper divisors (977130).

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

474390 is a wasteful number, since it uses less digits than its factorization.

474390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 474390 is about 688.7597549218. The cubic root of 474390 is about 77.9911232502.

The spelling of 474390 in words is "four hundred seventy-four thousand, three hundred ninety".