1874491 has 2 divisors, whose sum is σ = 1874492. Its totient is φ = 1874490.

The previous prime is 1874461. The next prime is 1874503. The reversal of 1874491 is 1944781.

It is a strong prime.

It is an emirp because it is prime and its reverse (1944781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1874491 - 2⁹ = 1873979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1874441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937245 + 937246.

It is an arithmetic number, because the mean of its divisors is an integer number (937246).

2^1874491 is an apocalyptic number.

1874491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1874491 is an equidigital number, since it uses as much as digits as its factorization.

1874491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 1874491 is about 1369.1205206263. The cubic root of 1874491 is about 123.2994444672.

The spelling of 1874491 in words is "one million, eight hundred seventy-four thousand, four hundred ninety-one".