349623693 has 24 divisors (see below), whose sum is σ = 545968800. Its totient is φ = 214843104.

The previous prime is 349623691. The next prime is 349623707. The reversal of 349623693 is 396326943.

It is not a de Polignac number, because 349623693 - 2¹ = 349623691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349623691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21303 + ... + 33956.

It is an arithmetic number, because the mean of its divisors is an integer number (22748700).

Almost surely, 2^349623693 is an apocalyptic number.

It is an amenable number.

349623693 is a deficient number, since it is larger than the sum of its proper divisors (196345107).

349623693 is a wasteful number, since it uses less digits than its factorization.

349623693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55321 (or 55318 counting only the distinct ones).

The product of its digits is 629856, while the sum is 45.

The square root of 349623693 is about 18698.2270015101. The cubic root of 349623693 is about 704.4772161744.

The spelling of 349623693 in words is "three hundred forty-nine million, six hundred twenty-three thousand, six hundred ninety-three".