349098730 has 32 divisors (see below), whose sum is σ = 642780288. Its totient is φ = 136468800.

The previous prime is 349098713. The next prime is 349098731. The reversal of 349098730 is 37890943.

It is a super-2 number, since 2×349098730² = 243739846575225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349098731) 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, 97675 + ... + 101185.

It is an arithmetic number, because the mean of its divisors is an integer number (20086884).

Almost surely, 2^349098730 is an apocalyptic number.

349098730 is a deficient number, since it is larger than the sum of its proper divisors (293681558).

349098730 is a wasteful number, since it uses less digits than its factorization.

349098730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 349098730 is about 18684.1839532798. The cubic root of 349098730 is about 704.1244466748.

The spelling of 349098730 in words is "three hundred forty-nine million, ninety-eight thousand, seven hundred thirty".