3788289 has 10 divisors (see below), whose sum is σ = 5659170. Its totient is φ = 2525472.

The previous prime is 3788273. The next prime is 3788303. The reversal of 3788289 is 9828873.

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 1016064 = 1665^2 + 1008^2 .

It is not a de Polignac number, because 3788289 - 2⁴ = 3788273 is a prime.

It is a super-2 number, since 2×3788289² = 28702267095042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3788209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23304 + ... + 23465.

It is an arithmetic number, because the mean of its divisors is an integer number (565917).

Almost surely, 2^3788289 is an apocalyptic number.

It is an amenable number.

3788289 is a deficient number, since it is larger than the sum of its proper divisors (1870881).

3788289 is an equidigital number, since it uses as much as digits as its factorization.

3788289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46781 (or 46772 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 3788289 is about 1946.3527429528. The cubic root of 3788289 is about 155.8886039054. Note that the first 3 decimals are identical.

The spelling of 3788289 in words is "three million, seven hundred eighty-eight thousand, two hundred eighty-nine".