4170149 has 4 divisors (see below), whose sum is σ = 4175136. Its totient is φ = 4165164.

The previous prime is 4170121. The next prime is 4170191. The reversal of 4170149 is 9410714.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4170149 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 (4170109) 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, 899 + ... + 3024.

It is an arithmetic number, because the mean of its divisors is an integer number (1043784).

Almost surely, 2^4170149 is an apocalyptic number.

It is an amenable number.

4170149 is a deficient number, since it is larger than the sum of its proper divisors (4987).

4170149 is a wasteful number, since it uses less digits than its factorization.

4170149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 4170149 is about 2042.0942681473. The cubic root of 4170149 is about 160.9597136963.

The spelling of 4170149 in words is "four million, one hundred seventy thousand, one hundred forty-nine".