349939806 has 8 divisors (see below), whose sum is σ = 699879624. Its totient is φ = 116646600.

The previous prime is 349939763. The next prime is 349939829. The reversal of 349939806 is 608939943.

It is a sphenic number, since it is the product of 3 distinct primes.

349939806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29161645 + ... + 29161656.

It is an arithmetic number, because the mean of its divisors is an integer number (87484953).

Almost surely, 2^349939806 is an apocalyptic number.

349939806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

349939806 is a wasteful number, since it uses less digits than its factorization.

349939806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58323306.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 349939806 is about 18706.6781123747. The cubic root of 349939806 is about 704.6894704045.

The spelling of 349939806 in words is "three hundred forty-nine million, nine hundred thirty-nine thousand, eight hundred six".