4065949 has 8 divisors (see below), whose sum is σ = 4148928. Its totient is φ = 3984000.

The previous prime is 4065947. The next prime is 4065953. The reversal of 4065949 is 9495604.

4065949 = 37² + 38² + ... + 230².

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

It is a cyclic number.

It is not a de Polignac number, because 4065949 - 2¹ = 4065947 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 (4065947) 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, 16074 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (518616).

Almost surely, 2^4065949 is an apocalyptic number.

It is an amenable number.

4065949 is a deficient number, since it is larger than the sum of its proper divisors (82979).

4065949 is a wasteful number, since it uses less digits than its factorization.

4065949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 4065949 is about 2016.4198471549. The cubic root of 4065949 is about 159.6077500984.

The spelling of 4065949 in words is "four million, sixty-five thousand, nine hundred forty-nine".