4092147 has 8 divisors (see below), whose sum is σ = 6062480. Its totient is φ = 2728080.

The previous prime is 4092133. The next prime is 4092157. The reversal of 4092147 is 7412904.

It is a happy number.

It is not a de Polignac number, because 4092147 - 2⁶ = 4092083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 151561 = 4092147 / (4 + 0 + 9 + 2 + 1 + 4 + 7).

It is a Duffinian number.

4092147 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 4092147.

It is not an unprimeable number, because it can be changed into a prime (4092157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75754 + ... + 75807.

It is an arithmetic number, because the mean of its divisors is an integer number (757810).

Almost surely, 2^4092147 is an apocalyptic number.

4092147 is a deficient number, since it is larger than the sum of its proper divisors (1970333).

4092147 is a wasteful number, since it uses less digits than its factorization.

4092147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151570 (or 151564 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4092147 is about 2022.9055835604. The cubic root of 4092147 is about 159.9498149900.

It can be divided in two parts, 409 and 2147, that added together give a triangular number (2556 = T₇₁).

The spelling of 4092147 in words is "four million, ninety-two thousand, one hundred forty-seven".