4639469 has 4 divisors (see below), whose sum is σ = 4668096. Its totient is φ = 4610844.

The previous prime is 4639457. The next prime is 4639483. The reversal of 4639469 is 9649364.

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-4639469 is a prime.

It is a super-2 number, since 2×4639469² = 43049345203922, 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 (4639489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14069 + ... + 14394.

It is an arithmetic number, because the mean of its divisors is an integer number (1167024).

Almost surely, 2^4639469 is an apocalyptic number.

It is an amenable number.

4639469 is a deficient number, since it is larger than the sum of its proper divisors (28627).

4639469 is a wasteful number, since it uses less digits than its factorization.

4639469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626.

The product of its digits is 139968, while the sum is 41.

The square root of 4639469 is about 2153.9426640466. The cubic root of 4639469 is about 166.7846555631.

The spelling of 4639469 in words is "four million, six hundred thirty-nine thousand, four hundred sixty-nine".