4439967 has 8 divisors (see below), whose sum is σ = 6765696. Its totient is φ = 2537112.

The previous prime is 4439951. The next prime is 4439971. The reversal of 4439967 is 7699344.

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

It is not a de Polignac number, because 4439967 - 2⁴ = 4439951 is a prime.

It is a super-2 number, since 2×4439967² = 39426613922178, which contains 22 as substring.

It is an Ulam number.

4439967 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439917) 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, 105693 + ... + 105734.

It is an arithmetic number, because the mean of its divisors is an integer number (845712).

Almost surely, 2^4439967 is an apocalyptic number.

4439967 is a deficient number, since it is larger than the sum of its proper divisors (2325729).

4439967 is a wasteful number, since it uses less digits than its factorization.

4439967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211437.

The product of its digits is 163296, while the sum is 42.

The square root of 4439967 is about 2107.1229200025. The cubic root of 4439967 is about 164.3589081000.

The spelling of 4439967 in words is "four million, four hundred thirty-nine thousand, nine hundred sixty-seven".