4013929 has 2 divisors, whose sum is σ = 4013930. Its totient is φ = 4013928.

The previous prime is 4013917. The next prime is 4013939. The reversal of 4013929 is 9293104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 898704 = 1765^2 + 948^2 .

It is a cyclic number.

It is not a de Polignac number, because 4013929 - 2⁵ = 4013897 is a prime.

It is a super-2 number, since 2×4013929² = 32223252034082, which contains 22 as substring.

It is a Chen prime.

4013929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4013897 and 4013906.

It is not a weakly prime, because it can be changed into another prime (4013909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006964 + 2006965.

It is an arithmetic number, because the mean of its divisors is an integer number (2006965).

Almost surely, 2^4013929 is an apocalyptic number.

It is an amenable number.

4013929 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013929 is an equidigital number, since it uses as much as digits as its factorization.

4013929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4013929 is about 2003.4792237505. The cubic root of 4013929 is about 158.9241493097.

The spelling of 4013929 in words is "four million, thirteen thousand, nine hundred twenty-nine".