349896870 has 48 divisors (see below), whose sum is σ = 931930272. Its totient is φ = 91029120.

The previous prime is 349896857. The next prime is 349896881. The reversal of 349896870 is 78698943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43722 + ... + 51101.

It is an arithmetic number, because the mean of its divisors is an integer number (19415214).

Almost surely, 2^349896870 is an apocalyptic number.

349896870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

349896870 is an abundant number, since it is smaller than the sum of its proper divisors (582033402).

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

349896870 is a wasteful number, since it uses less digits than its factorization.

349896870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94877 (or 94874 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 349896870 is about 18705.5304656136. The cubic root of 349896870 is about 704.6606485099.

The spelling of 349896870 in words is "three hundred forty-nine million, eight hundred ninety-six thousand, eight hundred seventy".