3128469 has 8 divisors (see below), whose sum is σ = 4179552. Its totient is φ = 2081520.

The previous prime is 3128453. The next prime is 3128501. The reversal of 3128469 is 9648213.

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

It is not a de Polignac number, because 3128469 - 2⁴ = 3128453 is a prime.

It is a super-2 number, since 2×3128469² = 19574636567922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (522444).

Almost surely, 2^3128469 is an apocalyptic number.

It is an amenable number.

3128469 is a deficient number, since it is larger than the sum of its proper divisors (1051083).

3128469 is a wasteful number, since it uses less digits than its factorization.

3128469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 10368, while the sum is 33.

The square root of 3128469 is about 1768.7478621895. The cubic root of 3128469 is about 146.2549651320.

The spelling of 3128469 in words is "three million, one hundred twenty-eight thousand, four hundred sixty-nine".