652206838 has 4 divisors (see below), whose sum is σ = 978310260. Its totient is φ = 326103418.

The previous prime is 652206833. The next prime is 652206859. The reversal of 652206838 is 838602256.

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

It is a self number, because there is not a number n which added to its sum of digits gives 652206838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652206833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163051708 + ... + 163051711.

It is an arithmetic number, because the mean of its divisors is an integer number (244577565).

Almost surely, 2^652206838 is an apocalyptic number.

652206838 is a deficient number, since it is larger than the sum of its proper divisors (326103422).

652206838 is a wasteful number, since it uses less digits than its factorization.

652206838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326103421.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 652206838 is about 25538.3405490647. The cubic root of 652206838 is about 867.2183309871.

The spelling of 652206838 in words is "six hundred fifty-two million, two hundred six thousand, eight hundred thirty-eight".