348778945 has 8 divisors (see below), whose sum is σ = 418636800. Its totient is φ = 278955120.

The previous prime is 348778943. The next prime is 348778949. The reversal of 348778945 is 549877843.

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

It is not a de Polignac number, because 348778945 - 2¹ = 348778943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348778943) 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, 29440 + ... + 39550.

It is an arithmetic number, because the mean of its divisors is an integer number (52329600).

Almost surely, 2^348778945 is an apocalyptic number.

It is an amenable number.

348778945 is a deficient number, since it is larger than the sum of its proper divisors (69857855).

348778945 is a wasteful number, since it uses less digits than its factorization.

348778945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015.

The product of its digits is 6773760, while the sum is 55.

The square root of 348778945 is about 18675.6243536863. The cubic root of 348778945 is about 703.9093812263.

The spelling of 348778945 in words is "three hundred forty-eight million, seven hundred seventy-eight thousand, nine hundred forty-five".