3689469 has 32 divisors (see below), whose sum is σ = 6350080. Its totient is φ = 2099520.

The previous prime is 3689461. The next prime is 3689473. The reversal of 3689469 is 9649863.

It is not a de Polignac number, because 3689469 - 2³ = 3689461 is a prime.

It is a super-2 number, since 2×3689469² = 27224363003922, 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 (3689461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15189 + ... + 15429.

It is an arithmetic number, because the mean of its divisors is an integer number (198440).

Almost surely, 2^3689469 is an apocalyptic number.

It is an amenable number.

3689469 is a deficient number, since it is larger than the sum of its proper divisors (2660611).

3689469 is an frugal number, since it uses more digits than its factorization.

3689469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 251 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 3689469 is about 1920.7990524779. The cubic root of 3689469 is about 154.5211583804.

It can be divided in two parts, 36894 and 69, that added together give a palindrome (36963).

The spelling of 3689469 in words is "three million, six hundred eighty-nine thousand, four hundred sixty-nine".