652840370 has 64 divisors (see below), whose sum is σ = 1452971520. Its totient is φ = 205659648.

The previous prime is 652840367. The next prime is 652840403. The reversal of 652840370 is 73048256.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 652840370.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210491 + ... + 213569.

It is an arithmetic number, because the mean of its divisors is an integer number (22702680).

Almost surely, 2^652840370 is an apocalyptic number.

652840370 is an abundant number, since it is smaller than the sum of its proper divisors (800131150).

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

652840370 is a wasteful number, since it uses less digits than its factorization.

652840370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 652840370 is about 25550.7410851427. The cubic root of 652840370 is about 867.4990357853.

The spelling of 652840370 in words is "six hundred fifty-two million, eight hundred forty thousand, three hundred seventy".