1874420 has 48 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 681984.

The previous prime is 1874417. The next prime is 1874441. The reversal of 1874420 is 244781.

It can be written as a sum of positive squares in 8 ways, for example, as 13924 + 1860496 = 118^2 + 1364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1874420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12506 + ... + 12654.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

2^1874420 is an apocalyptic number.

1874420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1874420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154600).

1874420 is an abundant number, since it is smaller than the sum of its proper divisors (2434780).

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

1874420 is a wasteful number, since it uses less digits than its factorization.

1874420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1874420 is about 1369.0945913267. The cubic root of 1874420 is about 123.2978877119.

The spelling of 1874420 in words is "one million, eight hundred seventy-four thousand, four hundred twenty".