1874385 has 24 divisors (see below), whose sum is σ = 3392064. Its totient is φ = 955680.

The previous prime is 1874377. The next prime is 1874387. The reversal of 1874385 is 5834781.

It is not a de Polignac number, because 1874385 - 2³ = 1874377 is a prime.

It is an alternating number because its digits alternate between odd and even.

1874385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1874387) 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 23 ways as a sum of consecutive naturals, for example, 130 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (141336).

2^1874385 is an apocalyptic number.

1874385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1874385 is a deficient number, since it is larger than the sum of its proper divisors (1517679).

1874385 is a wasteful number, since it uses less digits than its factorization.

1874385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1842 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1874385 is about 1369.0818090969. The cubic root of 1874385 is about 123.2971202829.

The spelling of 1874385 in words is "one million, eight hundred seventy-four thousand, three hundred eighty-five".