389038442 has 8 divisors (see below), whose sum is σ = 628446756. Its totient is φ = 179556192.

The previous prime is 389038439. The next prime is 389038459. The reversal of 389038442 is 244830983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 381850681 + 7187761 = 19541^2 + 2681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 389038442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7481483 + ... + 7481534.

Almost surely, 2^389038442 is an apocalyptic number.

389038442 is a deficient number, since it is larger than the sum of its proper divisors (239408314).

389038442 is a wasteful number, since it uses less digits than its factorization.

389038442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963032.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 389038442 is about 19724.0574426257. The cubic root of 389038442 is about 730.0134119010.

The spelling of 389038442 in words is "three hundred eighty-nine million, thirty-eight thousand, four hundred forty-two".