4169890 has 8 divisors (see below), whose sum is σ = 7505820. Its totient is φ = 1667952.

The previous prime is 4169849. The next prime is 4169909. The reversal of 4169890 is 989614.

4169890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3996001 + 173889 = 1999^2 + 417^2 .

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

It is a super-2 number, since 2×4169890² = 34775965224200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208485 + ... + 208504.

Almost surely, 2^4169890 is an apocalyptic number.

4169890 is a deficient number, since it is larger than the sum of its proper divisors (3335930).

4169890 is a wasteful number, since it uses less digits than its factorization.

4169890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416996.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4169890 is about 2042.0308518727. The cubic root of 4169890 is about 160.9563813270.

The spelling of 4169890 in words is "four million, one hundred sixty-nine thousand, eight hundred ninety".