3900343 has 2 divisors, whose sum is σ = 3900344. Its totient is φ = 3900342.

The previous prime is 3900341. The next prime is 3900349. The reversal of 3900343 is 3430093.

It is a weak prime.

It is an emirp because it is prime and its reverse (3430093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3900343 - 2¹ = 3900341 is a prime.

Together with 3900341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3900341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950171 + 1950172.

It is an arithmetic number, because the mean of its divisors is an integer number (1950172).

Almost surely, 2^3900343 is an apocalyptic number.

3900343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900343 is an equidigital number, since it uses as much as digits as its factorization.

3900343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 3900343 is about 1974.9286063045. The cubic root of 3900343 is about 157.4107060825.

The spelling of 3900343 in words is "three million, nine hundred thousand, three hundred forty-three".