348985791 has 36 divisors (see below), whose sum is σ = 639708264. Its totient is φ = 181288800.

The previous prime is 348985751. The next prime is 348985811. The reversal of 348985791 is 197589843.

It is not a de Polignac number, because 348985791 - 2¹⁸ = 348723647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348985751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31120 + ... + 40821.

It is an arithmetic number, because the mean of its divisors is an integer number (17769674).

Almost surely, 2^348985791 is an apocalyptic number.

348985791 is a deficient number, since it is larger than the sum of its proper divisors (290722473).

348985791 is a wasteful number, since it uses less digits than its factorization.

348985791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71972 (or 71962 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 348985791 is about 18681.1613932325. The cubic root of 348985791 is about 704.0485066601.

The spelling of 348985791 in words is "three hundred forty-eight million, nine hundred eighty-five thousand, seven hundred ninety-one".