4138469 has 4 divisors (see below), whose sum is σ = 4272000. Its totient is φ = 4004940.

The previous prime is 4138451. The next prime is 4138483. The reversal of 4138469 is 9648314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4138469 is a prime.

It is a super-2 number, since 2×4138469² = 34253851327922, 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 (4138489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66719 + ... + 66780.

It is an arithmetic number, because the mean of its divisors is an integer number (1068000).

Almost surely, 2^4138469 is an apocalyptic number.

It is an amenable number.

4138469 is a deficient number, since it is larger than the sum of its proper divisors (133531).

4138469 is a wasteful number, since it uses less digits than its factorization.

4138469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133530.

The product of its digits is 20736, while the sum is 35.

The square root of 4138469 is about 2034.3227374239. The cubic root of 4138469 is about 160.5510815239.

The spelling of 4138469 in words is "four million, one hundred thirty-eight thousand, four hundred sixty-nine".