652179838 has 4 divisors (see below), whose sum is σ = 978269760. Its totient is φ = 326089918.

The previous prime is 652179833. The next prime is 652179841. The reversal of 652179838 is 838971256.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 652179791 and 652179800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652179833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163044958 + ... + 163044961.

It is an arithmetic number, because the mean of its divisors is an integer number (244567440).

Almost surely, 2^652179838 is an apocalyptic number.

652179838 is a deficient number, since it is larger than the sum of its proper divisors (326089922).

652179838 is a wasteful number, since it uses less digits than its factorization.

652179838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326089921.

The product of its digits is 725760, while the sum is 49.

The square root of 652179838 is about 25537.8119266315. The cubic root of 652179838 is about 867.2063638131.

The spelling of 652179838 in words is "six hundred fifty-two million, one hundred seventy-nine thousand, eight hundred thirty-eight".