652409784 has 48 divisors (see below), whose sum is σ = 1902864600. Its totient is φ = 200741184.

The previous prime is 652409767. The next prime is 652409801. The reversal of 652409784 is 487904256.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (652409767) and next prime (652409801).

It is a congruent number.

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, 347574 + ... + 349445.

Almost surely, 2^652409784 is an apocalyptic number.

It is an amenable number.

652409784 is an abundant number, since it is smaller than the sum of its proper divisors (1250454816).

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

652409784 is a wasteful number, since it uses less digits than its factorization.

652409784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697044 (or 697037 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 652409784 is about 25542.3135992024. The cubic root of 652409784 is about 867.3082719022.

The spelling of 652409784 in words is "six hundred fifty-two million, four hundred nine thousand, seven hundred eighty-four".