349032521 has 8 divisors (see below), whose sum is σ = 369339264. Its totient is φ = 329153440.

The previous prime is 349032499. The next prime is 349032529. The reversal of 349032521 is 125230943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349032521 - 2²⁶ = 281923657 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349032529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105236 + ... + 108501.

It is an arithmetic number, because the mean of its divisors is an integer number (46167408).

Almost surely, 2^349032521 is an apocalyptic number.

It is an amenable number.

349032521 is a deficient number, since it is larger than the sum of its proper divisors (20306743).

349032521 is a wasteful number, since it uses less digits than its factorization.

349032521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213831.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 349032521 is about 18682.4120766030. The cubic root of 349032521 is about 704.0799298290.

The spelling of 349032521 in words is "three hundred forty-nine million, thirty-two thousand, five hundred twenty-one".