349433860 has 48 divisors (see below), whose sum is σ = 760015872. Its totient is φ = 134812800.

The previous prime is 349433837. The next prime is 349433869. The reversal of 349433860 is 68334943.

It is not an unprimeable number, because it can be changed into a prime (349433869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230505 + ... + 232015.

It is an arithmetic number, because the mean of its divisors is an integer number (15833664).

Almost surely, 2^349433860 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 349433860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380007936).

349433860 is an abundant number, since it is smaller than the sum of its proper divisors (410582012).

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

349433860 is a wasteful number, since it uses less digits than its factorization.

349433860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 349433860 is about 18693.1500823162. The cubic root of 349433860 is about 704.3496912217.

The spelling of 349433860 in words is "three hundred forty-nine million, four hundred thirty-three thousand, eight hundred sixty".