3854729 has 2 divisors, whose sum is σ = 3854730. Its totient is φ = 3854728.

The previous prime is 3854723. The next prime is 3854737. The reversal of 3854729 is 9274583.

3854729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3794704 + 60025 = 1948^2 + 245^2 .

It is an emirp because it is prime and its reverse (9274583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3854729 - 2¹² = 3850633 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3854692 and 3854701.

It is not a weakly prime, because it can be changed into another prime (3854723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927364 + 1927365.

It is an arithmetic number, because the mean of its divisors is an integer number (1927365).

Almost surely, 2^3854729 is an apocalyptic number.

It is an amenable number.

3854729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3854729 is an equidigital number, since it uses as much as digits as its factorization.

3854729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 3854729 is about 1963.3463779985. The cubic root of 3854729 is about 156.7946657780.

It can be divided in two parts, 38 and 54729, that multiplied together give a palindrome (2079702).

The spelling of 3854729 in words is "three million, eight hundred fifty-four thousand, seven hundred twenty-nine".