784328052 has 24 divisors (see below), whose sum is σ = 1834457632. Its totient is φ = 260820000.

The previous prime is 784328021. The next prime is 784328089. The reversal of 784328052 is 250823487.

It is a super-2 number, since 2×784328052² = 1230340986308229408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 784328052.

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, 72574 + ... + 82677.

Almost surely, 2^784328052 is an apocalyptic number.

It is an amenable number.

784328052 is an abundant number, since it is smaller than the sum of its proper divisors (1050129580).

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

784328052 is a wasteful number, since it uses less digits than its factorization.

784328052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155679 (or 155677 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 784328052 is about 28005.8574587532. The cubic root of 784328052 is about 922.2158512638.

The spelling of 784328052 in words is "seven hundred eighty-four million, three hundred twenty-eight thousand, fifty-two".