354943387 has 2 divisors, whose sum is σ = 354943388. Its totient is φ = 354943386.

The previous prime is 354943363. The next prime is 354943399. The reversal of 354943387 is 783349453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354943387 - 2¹⁹ = 354419099 is a prime.

It is not a weakly prime, because it can be changed into another prime (354943327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177471693 + 177471694.

It is an arithmetic number, because the mean of its divisors is an integer number (177471694).

Almost surely, 2^354943387 is an apocalyptic number.

354943387 is a deficient number, since it is larger than the sum of its proper divisors (1).

354943387 is an equidigital number, since it uses as much as digits as its factorization.

354943387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The square root of 354943387 is about 18839.9412684860. The cubic root of 354943387 is about 708.0322337086.

The spelling of 354943387 in words is "three hundred fifty-four million, nine hundred forty-three thousand, three hundred eighty-seven".