389216295 has 72 divisors (see below), whose sum is σ = 743389920. Its totient is φ = 188248320.

The previous prime is 389216293. The next prime is 389216323. The reversal of 389216295 is 592612983.

389216295 = 366² + 367² + ... + 1067².

It is not a de Polignac number, because 389216295 - 2¹ = 389216293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 389216295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389216293) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 463486 + ... + 464324.

It is an arithmetic number, because the mean of its divisors is an integer number (10324860).

Almost surely, 2^389216295 is an apocalyptic number.

389216295 is a deficient number, since it is larger than the sum of its proper divisors (354173625).

389216295 is a wasteful number, since it uses less digits than its factorization.

389216295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 921 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 389216295 is about 19728.5654572247. The cubic root of 389216295 is about 730.1246393798.

The spelling of 389216295 in words is "three hundred eighty-nine million, two hundred sixteen thousand, two hundred ninety-five".