349013388 has 18 divisors (see below), whose sum is σ = 814515604. Its totient is φ = 116316224.

The previous prime is 349013387. The next prime is 349013393. The reversal of 349013388 is 883310943.

It is not an unprimeable number, because it can be changed into a prime (349013381) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 62020 + ... + 67412.

Almost surely, 2^349013388 is an apocalyptic number.

It is an amenable number.

349013388 is an abundant number, since it is smaller than the sum of its proper divisors (465502216).

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

349013388 is an frugal number, since it uses more digits than its factorization.

349013388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793 (or 5398 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 349013388 is about 18681.9000104379. The cubic root of 349013388 is about 704.0670643541.

Multiplying 349013388 by its product of nonzero digits (62208), we get a square (21711424840704 = 4659552²).

The spelling of 349013388 in words is "three hundred forty-nine million, thirteen thousand, three hundred eighty-eight".