389078 has 8 divisors (see below), whose sum is σ = 586872. Its totient is φ = 193456.

The previous prime is 389057. The next prime is 389083. The reversal of 389078 is 870983.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 26 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (73359).

2³⁸⁹⁰⁷⁸ is an apocalyptic number.

389078 is a deficient number, since it is larger than the sum of its proper divisors (197794).

389078 is a wasteful number, since it uses less digits than its factorization.

389078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 389078 is about 623.7611722446. The cubic root of 389078 is about 73.0038154008.

The spelling of 389078 in words is "three hundred eighty-nine thousand, seventy-eight".