4399469 has 4 divisors (see below), whose sum is σ = 4631040. Its totient is φ = 4167900.

The previous prime is 4399457. The next prime is 4399471. The reversal of 4399469 is 9649934.

It is a happy number.

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 not a de Polignac number, because 4399469 - 2¹⁶ = 4333933 is a prime.

It is a super-2 number, since 2×4399469² = 38710654963922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399169) 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, 115757 + ... + 115794.

It is an arithmetic number, because the mean of its divisors is an integer number (1157760).

Almost surely, 2^4399469 is an apocalyptic number.

It is an amenable number.

4399469 is a deficient number, since it is larger than the sum of its proper divisors (231571).

4399469 is a wasteful number, since it uses less digits than its factorization.

4399469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231570.

The product of its digits is 209952, while the sum is 44.

The square root of 4399469 is about 2097.4911203626. The cubic root of 4399469 is about 163.8576620429.

The spelling of 4399469 in words is "four million, three hundred ninety-nine thousand, four hundred sixty-nine".