652784 has 20 divisors (see below), whose sum is σ = 1380120. Its totient is φ = 296640.

The previous prime is 652759. The next prime is 652787. The reversal of 652784 is 487256.

It is a super-2 number, since 2×652784² = 852253901312, 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 652784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (69006).

2⁶⁵²⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

652784 is an abundant number, since it is smaller than the sum of its proper divisors (727336).

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

652784 is a wasteful number, since it uses less digits than its factorization.

652784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3722 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 652784 is about 807.9504935329. The cubic root of 652784 is about 86.7474066778.

The spelling of 652784 in words is "six hundred fifty-two thousand, seven hundred eighty-four".