3849929 has 2 divisors, whose sum is σ = 3849930. Its totient is φ = 3849928.

The previous prime is 3849889. The next prime is 3849943. The reversal of 3849929 is 9299483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3794704 + 55225 = 1948^2 + 235^2 .

It is an emirp because it is prime and its reverse (9299483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3849929 - 2²⁰ = 2801353 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3849929.

It is not a weakly prime, because it can be changed into another prime (3849949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924964 + 1924965.

It is an arithmetic number, because the mean of its divisors is an integer number (1924965).

Almost surely, 2^3849929 is an apocalyptic number.

It is an amenable number.

3849929 is a deficient number, since it is larger than the sum of its proper divisors (1).

3849929 is an equidigital number, since it uses as much as digits as its factorization.

3849929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 3849929 is about 1962.1235944761. The cubic root of 3849929 is about 156.7295572665.

The spelling of 3849929 in words is "three million, eight hundred forty-nine thousand, nine hundred twenty-nine".