349093784 has 32 divisors (see below), whose sum is σ = 707100240. Its totient is φ = 160617600.

The previous prime is 349093781. The next prime is 349093807. The reversal of 349093784 is 487390943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349093781) 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 in 7 ways as a sum of consecutive naturals, for example, 29354 + ... + 39494.

Almost surely, 2^349093784 is an apocalyptic number.

It is an amenable number.

349093784 is an abundant number, since it is smaller than the sum of its proper divisors (358006456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349093784 is a wasteful number, since it uses less digits than its factorization.

349093784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491 (or 10487 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 349093784 is about 18684.0515948763. The cubic root of 349093784 is about 704.1211213348.

The spelling of 349093784 in words is "three hundred forty-nine million, ninety-three thousand, seven hundred eighty-four".