349881070 has 96 divisors (see below), whose sum is σ = 806682240. Its totient is φ = 108037440.

The previous prime is 349881031. The next prime is 349881071. The reversal of 349881070 is 70188943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349881071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 748977 + ... + 749443.

It is an arithmetic number, because the mean of its divisors is an integer number (8402940).

Almost surely, 2^349881070 is an apocalyptic number.

349881070 is an abundant number, since it is smaller than the sum of its proper divisors (456801170).

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

349881070 is a wasteful number, since it uses less digits than its factorization.

349881070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 349881070 is about 18705.1081258570. The cubic root of 349881070 is about 704.6500417599.

The spelling of 349881070 in words is "three hundred forty-nine million, eight hundred eighty-one thousand, seventy".