652646 has 4 divisors (see below), whose sum is σ = 978972. Its totient is φ = 326322.

The previous prime is 652627. The next prime is 652651. The reversal of 652646 is 646256.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163160 + ... + 163163.

It is an arithmetic number, because the mean of its divisors is an integer number (244743).

2⁶⁵²⁶⁴⁶ is an apocalyptic number.

652646 is a deficient number, since it is larger than the sum of its proper divisors (326326).

652646 is a wasteful number, since it uses less digits than its factorization.

652646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326325.

The product of its digits is 8640, while the sum is 29.

The square root of 652646 is about 807.8650877467. The cubic root of 652646 is about 86.7412933816.

The spelling of 652646 in words is "six hundred fifty-two thousand, six hundred forty-six".