4065149 has 8 divisors (see below), whose sum is σ = 4479840. Its totient is φ = 3658000.

The previous prime is 4065137. The next prime is 4065157. The reversal of 4065149 is 9415604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065119) 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, 719 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (559980).

Almost surely, 2^4065149 is an apocalyptic number.

It is an amenable number.

4065149 is a deficient number, since it is larger than the sum of its proper divisors (414691).

4065149 is a wasteful number, since it uses less digits than its factorization.

4065149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4065149 is about 2016.2214660101. The cubic root of 4065149 is about 159.5972814825.

It can be divided in two parts, 406 and 5149, that added together give a palindrome (5555).

The spelling of 4065149 in words is "four million, sixty-five thousand, one hundred forty-nine".