349671250 has 40 divisors (see below), whose sum is σ = 689966640. Its totient is φ = 132498000.

The previous prime is 349671239. The next prime is 349671251. The reversal of 349671250 is 52176943.

It is not an unprimeable number, because it can be changed into a prime (349671251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16389 + ... + 31111.

It is an arithmetic number, because the mean of its divisors is an integer number (17249166).

Almost surely, 2^349671250 is an apocalyptic number.

349671250 is a deficient number, since it is larger than the sum of its proper divisors (340295390).

349671250 is a wasteful number, since it uses less digits than its factorization.

349671250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14764 (or 14749 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 349671250 is about 18699.4986563811. The cubic root of 349671250 is about 704.5091565193.

The spelling of 349671250 in words is "three hundred forty-nine million, six hundred seventy-one thousand, two hundred fifty".