4051869 has 4 divisors (see below), whose sum is σ = 5402496. Its totient is φ = 2701244.

The previous prime is 4051867. The next prime is 4051877. The reversal of 4051869 is 9681504.

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 a cyclic number.

It is not a de Polignac number, because 4051869 - 2¹ = 4051867 is a prime.

It is a super-2 number, since 2×4051869² = 32835284786322, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051867) 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, 675309 + ... + 675314.

It is an arithmetic number, because the mean of its divisors is an integer number (1350624).

Almost surely, 2^4051869 is an apocalyptic number.

It is an amenable number.

4051869 is a deficient number, since it is larger than the sum of its proper divisors (1350627).

4051869 is a wasteful number, since it uses less digits than its factorization.

4051869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350626.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4051869 is about 2012.9254829725. The cubic root of 4051869 is about 159.4233014691.

The spelling of 4051869 in words is "four million, fifty-one thousand, eight hundred sixty-nine".