349024387 has 8 divisors (see below), whose sum is σ = 352866960. Its totient is φ = 345189600.

The previous prime is 349024369. The next prime is 349024439. The reversal of 349024387 is 783420943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349024387 - 2⁷ = 349024259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349024337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152689 + ... + 154957.

It is an arithmetic number, because the mean of its divisors is an integer number (44108370).

Almost surely, 2^349024387 is an apocalyptic number.

349024387 is a deficient number, since it is larger than the sum of its proper divisors (3842573).

349024387 is a wasteful number, since it uses less digits than its factorization.

349024387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 349024387 is about 18682.1943839582. The cubic root of 349024387 is about 704.0744603954.

The spelling of 349024387 in words is "three hundred forty-nine million, twenty-four thousand, three hundred eighty-seven".