389543480 has 32 divisors (see below), whose sum is σ = 881031600. Its totient is φ = 155006976.

The previous prime is 389543449. The next prime is 389543503. The reversal of 389543480 is 84345983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17510 + ... + 32949.

Almost surely, 2^389543480 is an apocalyptic number.

It is an amenable number.

389543480 is an abundant number, since it is smaller than the sum of its proper divisors (491488120).

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

389543480 is a wasteful number, since it uses less digits than its factorization.

389543480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50663 (or 50659 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 389543480 is about 19736.8558792934. The cubic root of 389543480 is about 730.3291691204.

The spelling of 389543480 in words is "three hundred eighty-nine million, five hundred forty-three thousand, four hundred eighty".