1974089 has 6 divisors (see below), whose sum is σ = 2137806. Its totient is φ = 1822080.

The previous prime is 1974079. The next prime is 1974121. The reversal of 1974089 is 9804791.

It can be written as a sum of positive squares in 3 ways, for example, as 64 + 1974025 = 8^2 + 1405^2 .

It is not a de Polignac number, because 1974089 - 2⁴ = 1974073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1974029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5672 + ... + 6009.

It is an arithmetic number, because the mean of its divisors is an integer number (356301).

2^1974089 is an apocalyptic number.

It is an amenable number.

1974089 is a deficient number, since it is larger than the sum of its proper divisors (163717).

1974089 is a wasteful number, since it uses less digits than its factorization.

1974089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707 (or 11694 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1974089 is about 1405.0227756161. The cubic root of 1974089 is about 125.4456413423.

The spelling of 1974089 in words is "one million, nine hundred seventy-four thousand, eighty-nine".