349428700 has 36 divisors (see below), whose sum is σ = 759326400. Its totient is φ = 139575040.

The previous prime is 349428697. The next prime is 349428721. The reversal of 349428700 is 7824943.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 349428700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84276 + ... + 88324.

It is an arithmetic number, because the mean of its divisors is an integer number (21092400).

Almost surely, 2^349428700 is an apocalyptic number.

It is an amenable number.

349428700 is an abundant number, since it is smaller than the sum of its proper divisors (409897700).

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

349428700 is a wasteful number, since it uses less digits than its factorization.

349428700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 349428700 is about 18693.0120633353. The cubic root of 349428700 is about 704.3462242210.

The spelling of 349428700 in words is "three hundred forty-nine million, four hundred twenty-eight thousand, seven hundred".