389333450 has 48 divisors (see below), whose sum is σ = 795913344. Its totient is φ = 140515200.

The previous prime is 389333429. The next prime is 389333453. The reversal of 389333450 is 54333983.

It is not an unprimeable number, because it can be changed into a prime (389333453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72767 + ... + 77933.

It is an arithmetic number, because the mean of its divisors is an integer number (16581528).

Almost surely, 2^389333450 is an apocalyptic number.

389333450 is an abundant number, since it is smaller than the sum of its proper divisors (406579894).

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

389333450 is a wasteful number, since it uses less digits than its factorization.

389333450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327 (or 5322 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 389333450 is about 19731.5344056158. The cubic root of 389333450 is about 730.1978884295.

The spelling of 389333450 in words is "three hundred eighty-nine million, three hundred thirty-three thousand, four hundred fifty".