652790 has 16 divisors (see below), whose sum is σ = 1216080. Its totient is φ = 252000.

The previous prime is 652787. The next prime is 652811. The reversal of 652790 is 97256.

652790 is nontrivially palindromic in base 4.

It is a super-2 number, since 2×652790² = 852269568200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

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, 836 + ... + 1415.

It is an arithmetic number, because the mean of its divisors is an integer number (76005).

2⁶⁵²⁷⁹⁰ is an apocalyptic number.

652790 is a deficient number, since it is larger than the sum of its proper divisors (563290).

652790 is a wasteful number, since it uses less digits than its factorization.

652790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 652790 is about 807.9542066231. The cubic root of 652790 is about 86.7476724537.

The spelling of 652790 in words is "six hundred fifty-two thousand, seven hundred ninety".