1851941 has 16 divisors (see below), whose sum is σ = 2333184. Its totient is φ = 1430784.

The previous prime is 1851931. The next prime is 1851953. The reversal of 1851941 is 1491581.

It is a cyclic number.

It is not a de Polignac number, because 1851941 - 2⁶ = 1851877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1851901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4061 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (145824).

2^1851941 is an apocalyptic number.

It is an amenable number.

1851941 is a deficient number, since it is larger than the sum of its proper divisors (481243).

1851941 is a wasteful number, since it uses less digits than its factorization.

1851941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its digits is 1440, while the sum is 29.

The square root of 1851941 is about 1360.8603896065. The cubic root of 1851941 is about 122.8030204706.

The spelling of 1851941 in words is "one million, eight hundred fifty-one thousand, nine hundred forty-one".