349863574 has 4 divisors (see below), whose sum is σ = 524795364. Its totient is φ = 174931786.

The previous prime is 349863559. The next prime is 349863581. The reversal of 349863574 is 475368943.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 87465892 + ... + 87465895.

It is an arithmetic number, because the mean of its divisors is an integer number (131198841).

Almost surely, 2^349863574 is an apocalyptic number.

349863574 is a deficient number, since it is larger than the sum of its proper divisors (174931790).

349863574 is a wasteful number, since it uses less digits than its factorization.

349863574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174931789.

The product of its digits is 2177280, while the sum is 49.

The square root of 349863574 is about 18704.6404402758. The cubic root of 349863574 is about 704.6382960900.

The spelling of 349863574 in words is "three hundred forty-nine million, eight hundred sixty-three thousand, five hundred seventy-four".