349999704 has 192 divisors, whose sum is σ = 1037836800. Its totient is φ = 110388096.

The previous prime is 349999693. The next prime is 349999777. The reversal of 349999704 is 407999943.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4430337 + ... + 4430415.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^349999704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349999704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518918400).

349999704 is an abundant number, since it is smaller than the sum of its proper divisors (687837096).

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

349999704 is a wasteful number, since it uses less digits than its factorization.

349999704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 349999704 is about 18708.2790229353. The cubic root of 349999704 is about 704.7296745397.

It can be divided in two parts, 349999 and 704, that added together give a triangular number (350703 = T₈₃₇).

The spelling of 349999704 in words is "three hundred forty-nine million, nine hundred ninety-nine thousand, seven hundred four".