3800889 has 6 divisors (see below), whose sum is σ = 5490186. Its totient is φ = 2533920.

The previous prime is 3800887. The next prime is 3800917. The reversal of 3800889 is 9880083.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 1863225 = 1392^2 + 1365^2 .

It is not a de Polignac number, because 3800889 - 2¹ = 3800887 is a prime.

It is a Curzon number.

3800889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3800887) 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, 211152 + ... + 211169.

It is an arithmetic number, because the mean of its divisors is an integer number (915031).

Almost surely, 2^3800889 is an apocalyptic number.

It is an amenable number.

3800889 is a deficient number, since it is larger than the sum of its proper divisors (1689297).

3800889 is a wasteful number, since it uses less digits than its factorization.

3800889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422327 (or 422324 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 3800889 is about 1949.5868793157. The cubic root of 3800889 is about 156.0612432121.

The spelling of 3800889 in words is "three million, eight hundred thousand, eight hundred eighty-nine".