5729989 has 8 divisors (see below), whose sum is σ = 5922072. Its totient is φ = 5541120.

The previous prime is 5729987. The next prime is 5730007. The reversal of 5729989 is 9899275.

It can be written as a sum of positive squares in 4 ways, for example, as 1340964 + 4389025 = 1158^2 + 2095^2 .

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 5729989 - 2¹ = 5729987 is a prime.

It is a Duffinian number.

5729989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5729987) 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, 3129 + ... + 4609.

It is an arithmetic number, because the mean of its divisors is an integer number (740259).

Almost surely, 2^5729989 is an apocalyptic number.

It is an amenable number.

5729989 is a deficient number, since it is larger than the sum of its proper divisors (192083).

5729989 is a wasteful number, since it uses less digits than its factorization.

5729989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its digits is 408240, while the sum is 49.

The square root of 5729989 is about 2393.7395430581. The cubic root of 5729989 is about 178.9443248299.

The spelling of 5729989 in words is "five million, seven hundred twenty-nine thousand, nine hundred eighty-nine".