4011669 has 6 divisors (see below), whose sum is σ = 5794646. Its totient is φ = 2674440.

The previous prime is 4011653. The next prime is 4011671. The reversal of 4011669 is 9661104.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 439569 = 1890^2 + 663^2 .

It is not a de Polignac number, because 4011669 - 2⁴ = 4011653 is a prime.

It is a super-2 number, since 2×4011669² = 32186976331122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222862 + ... + 222879.

Almost surely, 2^4011669 is an apocalyptic number.

It is an amenable number.

4011669 is a deficient number, since it is larger than the sum of its proper divisors (1782977).

4011669 is a wasteful number, since it uses less digits than its factorization.

4011669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445747 (or 445744 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4011669 is about 2002.9151255108. The cubic root of 4011669 is about 158.8943168599.

The spelling of 4011669 in words is "four million, eleven thousand, six hundred sixty-nine".