4099149 has 6 divisors (see below), whose sum is σ = 5921006. Its totient is φ = 2732760.

The previous prime is 4099141. The next prime is 4099171. The reversal of 4099149 is 9419904.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 59049 = 2010^2 + 243^2 .

It is not a de Polignac number, because 4099149 - 2³ = 4099141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099141) 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, 227722 + ... + 227739.

Almost surely, 2^4099149 is an apocalyptic number.

It is an amenable number.

4099149 is a deficient number, since it is larger than the sum of its proper divisors (1821857).

4099149 is a wasteful number, since it uses less digits than its factorization.

4099149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455467 (or 455464 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 4099149 is about 2024.6355227547. The cubic root of 4099149 is about 160.0409921011.

The spelling of 4099149 in words is "four million, ninety-nine thousand, one hundred forty-nine".