385775298 has 20 divisors (see below), whose sum is σ = 864422790. Its totient is φ = 128591712.

The previous prime is 385775293. The next prime is 385775303. The reversal of 385775298 is 892577583.

It is an interprime number because it is at equal distance from previous prime (385775293) and next prime (385775303).

It can be written as a sum of positive squares in only one way, i.e., 302655609 + 83119689 = 17397^2 + 9117^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (385775293) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1190503 + ... + 1190826.

Almost surely, 2^385775298 is an apocalyptic number.

385775298 is an abundant number, since it is smaller than the sum of its proper divisors (478647492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385775298 is a wasteful number, since it uses less digits than its factorization.

385775298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381343 (or 2381334 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 385775298 is about 19641.1633565835. The cubic root of 385775298 is about 727.9666301675.

The spelling of 385775298 in words is "three hundred eighty-five million, seven hundred seventy-five thousand, two hundred ninety-eight".