874420 has 12 divisors (see below), whose sum is σ = 1836324. Its totient is φ = 349760.

The previous prime is 874409. The next prime is 874427. The reversal of 874420 is 24478.

It can be written as a sum of positive squares in 2 ways, for example, as 459684 + 414736 = 678^2 + 644^2 .

It is a super-2 number, since 2×874420² = 1529220672800, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21841 + ... + 21880.

It is an arithmetic number, because the mean of its divisors is an integer number (153027).

2⁸⁷⁴⁴²⁰ is an apocalyptic number.

It is an amenable number.

874420 is an abundant number, since it is smaller than the sum of its proper divisors (961904).

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

874420 is a wasteful number, since it uses less digits than its factorization.

874420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43730 (or 43728 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 874420 is about 935.1042722606. The cubic root of 874420 is about 95.6254211325.

Adding to 874420 its reverse (24478), we get a palindrome (898898).

The spelling of 874420 in words is "eight hundred seventy-four thousand, four hundred twenty".