347945489 has 8 divisors (see below), whose sum is σ = 352124928. Its totient is φ = 343783440.

The previous prime is 347945483. The next prime is 347945491. The reversal of 347945489 is 984549743.

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 347945489 - 2¹⁶ = 347879953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 347945489.

It is not an unprimeable number, because it can be changed into a prime (347945483) 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, 38384 + ... + 46574.

It is an arithmetic number, because the mean of its divisors is an integer number (44015616).

Almost surely, 2^347945489 is an apocalyptic number.

It is an amenable number.

347945489 is a deficient number, since it is larger than the sum of its proper divisors (4179439).

347945489 is a wasteful number, since it uses less digits than its factorization.

347945489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695.

The product of its digits is 4354560, while the sum is 53.

The square root of 347945489 is about 18653.2970007985. The cubic root of 347945489 is about 703.3482374197.

The spelling of 347945489 in words is "three hundred forty-seven million, nine hundred forty-five thousand, four hundred eighty-nine".