4092489 has 6 divisors (see below), whose sum is σ = 5911386. Its totient is φ = 2728320.

The previous prime is 4092479. The next prime is 4092503. The reversal of 4092489 is 9842904.

It is a happy number.

4092489 is a `hidden beast` number, since 409 + 248 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2350089 + 1742400 = 1533^2 + 1320^2 .

It is not a de Polignac number, because 4092489 - 2⁸ = 4092233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4092469) 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, 227352 + ... + 227369.

It is an arithmetic number, because the mean of its divisors is an integer number (985231).

Almost surely, 2^4092489 is an apocalyptic number.

It is an amenable number.

4092489 is a deficient number, since it is larger than the sum of its proper divisors (1818897).

4092489 is a wasteful number, since it uses less digits than its factorization.

4092489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454727 (or 454724 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4092489 is about 2022.9901136684. The cubic root of 4092489 is about 159.9542707857.

It can be divided in two parts, 40 and 92489, that added together give a palindrome (92529).

The spelling of 4092489 in words is "four million, ninety-two thousand, four hundred eighty-nine".