4092890 has 8 divisors (see below), whose sum is σ = 7367220. Its totient is φ = 1637152.

The previous prime is 4092887. The next prime is 4092931. The reversal of 4092890 is 982904.

It can be written as a sum of positive squares in 2 ways, for example, as 4092529 + 361 = 2023^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204635 + ... + 204654.

Almost surely, 2^4092890 is an apocalyptic number.

4092890 is a deficient number, since it is larger than the sum of its proper divisors (3274330).

4092890 is a wasteful number, since it uses less digits than its factorization.

4092890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409296.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 4092890 is about 2023.0892219574. The cubic root of 4092890 is about 159.9594949551.

The spelling of 4092890 in words is "four million, ninety-two thousand, eight hundred ninety".