4643969 has 8 divisors (see below), whose sum is σ = 5082912. Its totient is φ = 4207840.

The previous prime is 4643963. The next prime is 4643983. The reversal of 4643969 is 9693464.

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

It is a cyclic number.

It is not a de Polignac number, because 4643969 - 2²⁰ = 3595393 is a prime.

It is a super-2 number, since 2×4643969² = 43132896145922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4643963) 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, 4397 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (635364).

Almost surely, 2^4643969 is an apocalyptic number.

It is an amenable number.

4643969 is a deficient number, since it is larger than the sum of its proper divisors (438943).

4643969 is a wasteful number, since it uses less digits than its factorization.

4643969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

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

The square root of 4643969 is about 2154.9870069214. The cubic root of 4643969 is about 166.8385617626.

The spelling of 4643969 in words is "four million, six hundred forty-three thousand, nine hundred sixty-nine".