349050387 has 16 divisors (see below), whose sum is σ = 559880960. Its totient is φ = 188959392.

The previous prime is 349050379. The next prime is 349050391. The reversal of 349050387 is 783050943.

It is not a de Polignac number, because 349050387 - 2³ = 349050379 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349050347) 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 15 ways as a sum of consecutive naturals, for example, 437008 + ... + 437805.

It is an arithmetic number, because the mean of its divisors is an integer number (34992560).

Almost surely, 2^349050387 is an apocalyptic number.

349050387 is a deficient number, since it is larger than the sum of its proper divisors (210830573).

349050387 is a wasteful number, since it uses less digits than its factorization.

349050387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874842.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 349050387 is about 18682.8902207341. The cubic root of 349050387 is about 704.0919429191.

The spelling of 349050387 in words is "three hundred forty-nine million, fifty thousand, three hundred eighty-seven".