349385270 has 64 divisors (see below), whose sum is σ = 693463680. Its totient is φ = 125964288.

The previous prime is 349385251. The next prime is 349385273. The reversal of 349385270 is 72583943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349385273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298696 + ... + 1298964.

It is an arithmetic number, because the mean of its divisors is an integer number (10835370).

Almost surely, 2^349385270 is an apocalyptic number.

349385270 is a deficient number, since it is larger than the sum of its proper divisors (344078410).

349385270 is a wasteful number, since it uses less digits than its factorization.

349385270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 349385270 is about 18691.8503631930. The cubic root of 349385270 is about 704.3170422792.

The spelling of 349385270 in words is "three hundred forty-nine million, three hundred eighty-five thousand, two hundred seventy".