384651432 has 48 divisors (see below), whose sum is σ = 1136472480. Its totient is φ = 116560800.

The previous prime is 384651427. The next prime is 384651451. The reversal of 384651432 is 234156483.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242044 + ... + 243627.

It is an arithmetic number, because the mean of its divisors is an integer number (23676510).

Almost surely, 2^384651432 is an apocalyptic number.

It is an amenable number.

384651432 is an abundant number, since it is smaller than the sum of its proper divisors (751821048).

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

384651432 is a wasteful number, since it uses less digits than its factorization.

384651432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485694 (or 485687 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 384651432 is about 19612.5325238736. The cubic root of 384651432 is about 727.2590224652.

It can be divided in two parts, 3846 and 51432, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 384651432 in words is "three hundred eighty-four million, six hundred fifty-one thousand, four hundred thirty-two".