4027969 has 6 divisors (see below), whose sum is σ = 4427570. Its totient is φ = 3661680.

The previous prime is 4027957. The next prime is 4027993. The reversal of 4027969 is 9697204.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 1656369 = 1540^2 + 1287^2 .

It is not a de Polignac number, because 4027969 - 2¹¹ = 4025921 is a prime.

It is a super-2 number, since 2×4027969² = 32449068529922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4027909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16524 + ... + 16765.

Almost surely, 2^4027969 is an apocalyptic number.

It is an amenable number.

4027969 is a deficient number, since it is larger than the sum of its proper divisors (399601).

4027969 is a wasteful number, since it uses less digits than its factorization.

4027969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33311 (or 33300 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 4027969 is about 2006.9800696569. The cubic root of 4027969 is about 159.1092296923.

The spelling of 4027969 in words is "four million, twenty-seven thousand, nine hundred sixty-nine".