389477 has 4 divisors (see below), whose sum is σ = 424896. Its totient is φ = 354060.

The previous prime is 389461. The next prime is 389479. The reversal of 389477 is 774983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 389477 - 2⁴ = 389461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389477.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389477.

It is not an unprimeable number, because it can be changed into a prime (389479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17693 + ... + 17714.

It is an arithmetic number, because the mean of its divisors is an integer number (106224).

2³⁸⁹⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

389477 is a deficient number, since it is larger than the sum of its proper divisors (35419).

389477 is a wasteful number, since it uses less digits than its factorization.

389477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35418.

The product of its digits is 42336, while the sum is 38.

The square root of 389477 is about 624.0809242398. The cubic root of 389477 is about 73.0287620446.

The spelling of 389477 in words is "three hundred eighty-nine thousand, four hundred seventy-seven".