6938469 has 18 divisors (see below), whose sum is σ = 10269350. Its totient is φ = 4514256.

The previous prime is 6938467. The next prime is 6938497. The reversal of 6938469 is 9648396.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 497025 = 2538^2 + 705^2 .

It is not a de Polignac number, because 6938469 - 2¹ = 6938467 is a prime.

It is a super-2 number, since 2×6938469² = 96284704127922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁷ + 9³ + 3¹³ + 8³ + 4³ + 6⁷ + 9⁷ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6938461) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19707 + ... + 20055.

Almost surely, 2^6938469 is an apocalyptic number.

It is an amenable number.

6938469 is a deficient number, since it is larger than the sum of its proper divisors (3330881).

6938469 is a wasteful number, since it uses less digits than its factorization.

6938469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 399 counting only the distinct ones).

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

The square root of 6938469 is about 2634.0973786100. The cubic root of 6938469 is about 190.7309699786.

The spelling of 6938469 in words is "six million, nine hundred thirty-eight thousand, four hundred sixty-nine".