4890729 has 4 divisors (see below), whose sum is σ = 6520976. Its totient is φ = 3260484.

The previous prime is 4890709. The next prime is 4890731. The reversal of 4890729 is 9270984.

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 not a de Polignac number, because 4890729 - 2⁹ = 4890217 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4890709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815119 + ... + 815124.

It is an arithmetic number, because the mean of its divisors is an integer number (1630244).

Almost surely, 2^4890729 is an apocalyptic number.

It is an amenable number.

4890729 is a deficient number, since it is larger than the sum of its proper divisors (1630247).

4890729 is a wasteful number, since it uses less digits than its factorization.

4890729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630246.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4890729 is about 2211.4992652045. The cubic root of 4890729 is about 169.7427365969.

The spelling of 4890729 in words is "four million, eight hundred ninety thousand, seven hundred twenty-nine".