350399939 has 2 divisors, whose sum is σ = 350399940. Its totient is φ = 350399938.

The previous prime is 350399887. The next prime is 350399941. The reversal of 350399939 is 939993053.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 350399939 - 2¹⁶ = 350334403 is a prime.

Together with 350399941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (350399969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175199969 + 175199970.

It is an arithmetic number, because the mean of its divisors is an integer number (175199970).

Almost surely, 2^350399939 is an apocalyptic number.

350399939 is a deficient number, since it is larger than the sum of its proper divisors (1).

350399939 is an equidigital number, since it uses as much as digits as its factorization.

350399939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 885735, while the sum is 50.

The square root of 350399939 is about 18718.9727015133. The cubic root of 350399939 is about 704.9981986105.

The spelling of 350399939 in words is "three hundred fifty million, three hundred ninety-nine thousand, nine hundred thirty-nine".