652128842 has 8 divisors (see below), whose sum is σ = 989978976. Its totient is φ = 322135852.

The previous prime is 652128839. The next prime is 652128847. The reversal of 652128842 is 248821256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 652128796 and 652128805.

It is not an unprimeable number, because it can be changed into a prime (652128847) 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, 1964078 + ... + 1964409.

It is an arithmetic number, because the mean of its divisors is an integer number (123747372).

Almost surely, 2^652128842 is an apocalyptic number.

652128842 is a deficient number, since it is larger than the sum of its proper divisors (337850134).

652128842 is a wasteful number, since it uses less digits than its factorization.

652128842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928572.

The product of its digits is 61440, while the sum is 38.

The square root of 652128842 is about 25536.8134660533. The cubic root of 652128842 is about 867.1837600230.

The spelling of 652128842 in words is "six hundred fifty-two million, one hundred twenty-eight thousand, eight hundred forty-two".