349097894 has 4 divisors (see below), whose sum is σ = 523646844. Its totient is φ = 174548946.

The previous prime is 349097893. The next prime is 349097921. The reversal of 349097894 is 498790943.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349097891) 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 as a sum of consecutive naturals, namely, 87274472 + ... + 87274475.

It is an arithmetic number, because the mean of its divisors is an integer number (130911711).

Almost surely, 2^349097894 is an apocalyptic number.

349097894 is a deficient number, since it is larger than the sum of its proper divisors (174548950).

349097894 is a wasteful number, since it uses less digits than its factorization.

349097894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174548949.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 349097894 is about 18684.1615814036. The cubic root of 349097894 is about 704.1238846099.

The spelling of 349097894 in words is "three hundred forty-nine million, ninety-seven thousand, eight hundred ninety-four".