4729989 has 8 divisors (see below), whose sum is σ = 6880032. Its totient is φ = 2866640.

The previous prime is 4729981. The next prime is 4730003. The reversal of 4729989 is 9899274.

It is a happy number.

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 4729989 - 2³ = 4729981 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4729981) 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, 71634 + ... + 71699.

It is an arithmetic number, because the mean of its divisors is an integer number (860004).

Almost surely, 2^4729989 is an apocalyptic number.

It is an amenable number.

4729989 is a deficient number, since it is larger than the sum of its proper divisors (2150043).

4729989 is a wasteful number, since it uses less digits than its factorization.

4729989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143347.

The product of its digits is 326592, while the sum is 48.

The square root of 4729989 is about 2174.8537881890. The cubic root of 4729989 is about 167.8623802112.

The spelling of 4729989 in words is "four million, seven hundred twenty-nine thousand, nine hundred eighty-nine".