4094149 has 4 divisors (see below), whose sum is σ = 4131820. Its totient is φ = 4056480.

The previous prime is 4094131. The next prime is 4094171. The reversal of 4094149 is 9414904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1476225 + 2617924 = 1215^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 4094149 - 2⁵ = 4094117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4094149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4094179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18672 + ... + 18889.

It is an arithmetic number, because the mean of its divisors is an integer number (1032955).

Almost surely, 2^4094149 is an apocalyptic number.

It is an amenable number.

4094149 is a deficient number, since it is larger than the sum of its proper divisors (37671).

4094149 is a wasteful number, since it uses less digits than its factorization.

4094149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37670.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4094149 is about 2023.4003558367. The cubic root of 4094149 is about 159.9758948061.

The spelling of 4094149 in words is "four million, ninety-four thousand, one hundred forty-nine".