3900329 has 2 divisors, whose sum is σ = 3900330. Its totient is φ = 3900328.

The previous prime is 3900311. The next prime is 3900331. The reversal of 3900329 is 9230093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3794704 + 105625 = 1948^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900329 is a prime.

Together with 3900331, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3900298 and 3900307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3900349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950164 + 1950165.

It is an arithmetic number, because the mean of its divisors is an integer number (1950165).

Almost surely, 2^3900329 is an apocalyptic number.

It is an amenable number.

3900329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900329 is an equidigital number, since it uses as much as digits as its factorization.

3900329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 3900329 is about 1974.9250618694. The cubic root of 3900329 is about 157.4105177442.

The spelling of 3900329 in words is "three million, nine hundred thousand, three hundred twenty-nine".