4092649 has 4 divisors (see below), whose sum is σ = 4464720. Its totient is φ = 3720580.

The previous prime is 4092637. The next prime is 4092659. The reversal of 4092649 is 9462904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4092649 - 2¹⁹ = 3568361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4092629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186019 + ... + 186040.

It is an arithmetic number, because the mean of its divisors is an integer number (1116180).

Almost surely, 2^4092649 is an apocalyptic number.

It is an amenable number.

4092649 is a deficient number, since it is larger than the sum of its proper divisors (372071).

4092649 is a wasteful number, since it uses less digits than its factorization.

4092649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372070.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 4092649 is about 2023.0296587050. The cubic root of 4092649 is about 159.9563552832.

The spelling of 4092649 in words is "four million, ninety-two thousand, six hundred forty-nine".