1874641 has 4 divisors (see below), whose sum is σ = 1984932. Its totient is φ = 1764352.

The previous prime is 1874633. The next prime is 1874657. The reversal of 1874641 is 1464781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1464781 = 31 ⋅47251.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 129600 = 1321^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1874641 - 2³ = 1874633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1874611) 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 3 ways as a sum of consecutive naturals, for example, 55120 + ... + 55153.

It is an arithmetic number, because the mean of its divisors is an integer number (496233).

2^1874641 is an apocalyptic number.

It is an amenable number.

1874641 is a deficient number, since it is larger than the sum of its proper divisors (110291).

1874641 is a wasteful number, since it uses less digits than its factorization.

1874641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110290.

The product of its digits is 5376, while the sum is 31.

The square root of 1874641 is about 1369.1752992221. The cubic root of 1874641 is about 123.3027332574.

The spelling of 1874641 in words is "one million, eight hundred seventy-four thousand, six hundred forty-one".