349817326 has 4 divisors (see below), whose sum is σ = 524725992. Its totient is φ = 174908662.

The previous prime is 349817317. The next prime is 349817333. The reversal of 349817326 is 623718943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 623718943 = 107 ⋅5829149.

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, 87454330 + ... + 87454333.

It is an arithmetic number, because the mean of its divisors is an integer number (131181498).

Almost surely, 2^349817326 is an apocalyptic number.

349817326 is a deficient number, since it is larger than the sum of its proper divisors (174908666).

349817326 is a wasteful number, since it uses less digits than its factorization.

349817326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174908665.

The product of its digits is 217728, while the sum is 43.

The square root of 349817326 is about 18703.4041286606. The cubic root of 349817326 is about 704.6072463225.

The spelling of 349817326 in words is "three hundred forty-nine million, eight hundred seventeen thousand, three hundred twenty-six".