474840 has 48 divisors (see below), whose sum is σ = 1544400. Its totient is φ = 126528.

The previous prime is 474839. The next prime is 474847. The reversal of 474840 is 48474.

474840 = 34² + 35² + ... + 113².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (32175).

2⁴⁷⁴⁸⁴⁰ is an apocalyptic number.

474840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

474840 is an abundant number, since it is smaller than the sum of its proper divisors (1069560).

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

474840 is a wasteful number, since it uses less digits than its factorization.

474840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 474840 is about 689.0863516280. The cubic root of 474840 is about 78.0157759017.

The spelling of 474840 in words is "four hundred seventy-four thousand, eight hundred forty".