389450 has 12 divisors (see below), whose sum is σ = 724470. Its totient is φ = 155760.

The previous prime is 389447. The next prime is 389461. The reversal of 389450 is 54983.

It can be written as a sum of positive squares in 3 ways, for example, as 303601 + 85849 = 551^2 + 293^2 .

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

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3845 + ... + 3944.

2³⁸⁹⁴⁵⁰ is an apocalyptic number.

389450 is a deficient number, since it is larger than the sum of its proper divisors (335020).

389450 is a wasteful number, since it uses less digits than its factorization.

389450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801 (or 7796 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 389450 is about 624.0592920548. The cubic root of 389450 is about 73.0270744635.

The spelling of 389450 in words is "three hundred eighty-nine thousand, four hundred fifty".