389616 has 20 divisors (see below), whose sum is σ = 1006632. Its totient is φ = 129856.

The previous prime is 389591. The next prime is 389621. The reversal of 389616 is 616983.

389616 = T₁₉₉ + T₂₀₀ + ... + T₂₁₆.

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 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, 4011 + ... + 4106.

2³⁸⁹⁶¹⁶ is an apocalyptic number.

It is an amenable number.

389616 is an abundant number, since it is smaller than the sum of its proper divisors (617016).

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

389616 is a wasteful number, since it uses less digits than its factorization.

389616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128 (or 8122 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 389616 is about 624.1922780682. The cubic root of 389616 is about 73.0374487284.

The spelling of 389616 in words is "three hundred eighty-nine thousand, six hundred sixteen".