349470270 has 48 divisors (see below), whose sum is σ = 910701792. Its totient is φ = 92978880.

The previous prime is 349470269. The next prime is 349470283. The reversal of 349470270 is 72074943.

349470270 is a `hidden beast` number, since 349 + 47 + 0 + 270 = 666.

It is a super-2 number, since 2×349470270² = 244258939227745800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37279 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (18972954).

Almost surely, 2^349470270 is an apocalyptic number.

349470270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

349470270 is an abundant number, since it is smaller than the sum of its proper divisors (561231522).

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

349470270 is a wasteful number, since it uses less digits than its factorization.

349470270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8897 (or 8894 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 349470270 is about 18694.1239431004. The cubic root of 349470270 is about 704.3741541072.

The spelling of 349470270 in words is "three hundred forty-nine million, four hundred seventy thousand, two hundred seventy".