349478845 has 8 divisors (see below), whose sum is σ = 429127776. Its totient is φ = 273080976.

The previous prime is 349478819. The next prime is 349478849. The reversal of 349478845 is 548874943.

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 349478845 - 2¹⁵ = 349446077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349478792 and 349478801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349478849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812527 + ... + 812956.

It is an arithmetic number, because the mean of its divisors is an integer number (53640972).

Almost surely, 2^349478845 is an apocalyptic number.

It is an amenable number.

349478845 is a deficient number, since it is larger than the sum of its proper divisors (79648931).

349478845 is a wasteful number, since it uses less digits than its factorization.

349478845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625531.

The product of its digits is 3870720, while the sum is 52.

The square root of 349478845 is about 18694.3532918365. The cubic root of 349478845 is about 704.3799151685.

The spelling of 349478845 in words is "three hundred forty-nine million, four hundred seventy-eight thousand, eight hundred forty-five".