4160649 has 4 divisors (see below), whose sum is σ = 5547536. Its totient is φ = 2773764.

The previous prime is 4160641. The next prime is 4160669. The reversal of 4160649 is 9460614.

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.

It is not a de Polignac number, because 4160649 - 2³ = 4160641 is a prime.

It is a super-2 number, since 2×4160649² = 34622000202402, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4160649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4160641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693439 + ... + 693444.

It is an arithmetic number, because the mean of its divisors is an integer number (1386884).

Almost surely, 2^4160649 is an apocalyptic number.

It is an amenable number.

4160649 is a deficient number, since it is larger than the sum of its proper divisors (1386887).

4160649 is a wasteful number, since it uses less digits than its factorization.

4160649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386886.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4160649 is about 2039.7668984470. The cubic root of 4160649 is about 160.8373935337.

The spelling of 4160649 in words is "four million, one hundred sixty thousand, six hundred forty-nine".