349613983 has 4 divisors (see below), whose sum is σ = 353542320. Its totient is φ = 345685648.

The previous prime is 349613969. The next prime is 349614017. The reversal of 349613983 is 389316943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349613983 - 2¹³ = 349605791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349613923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1964035 + ... + 1964212.

It is an arithmetic number, because the mean of its divisors is an integer number (88385580).

Almost surely, 2^349613983 is an apocalyptic number.

349613983 is a deficient number, since it is larger than the sum of its proper divisors (3928337).

349613983 is an equidigital number, since it uses as much as digits as its factorization.

349613983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928336.

The product of its digits is 419904, while the sum is 46.

The square root of 349613983 is about 18697.9673494206. The cubic root of 349613983 is about 704.4706943651.

The spelling of 349613983 in words is "three hundred forty-nine million, six hundred thirteen thousand, nine hundred eighty-three".