383889274 has 32 divisors (see below), whose sum is σ = 638845056. Its totient is φ = 172085760.

The previous prime is 383889239. The next prime is 383889277. The reversal of 383889274 is 472988383.

It is not an unprimeable number, because it can be changed into a prime (383889277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218869 + ... + 220615.

It is an arithmetic number, because the mean of its divisors is an integer number (19963908).

Almost surely, 2^383889274 is an apocalyptic number.

383889274 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

383889274 is a deficient number, since it is larger than the sum of its proper divisors (254955782).

383889274 is a wasteful number, since it uses less digits than its factorization.

383889274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its digits is 2322432, while the sum is 52.

The square root of 383889274 is about 19593.0925073098. The cubic root of 383889274 is about 726.7783684396.

The spelling of 383889274 in words is "three hundred eighty-three million, eight hundred eighty-nine thousand, two hundred seventy-four".