653906338 has 8 divisors (see below), whose sum is σ = 981166032. Its totient is φ = 326850996.

The previous prime is 653906329. The next prime is 653906401. The reversal of 653906338 is 833609356.

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 = 653906294 and 653906303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42820 + ... + 56047.

It is an arithmetic number, because the mean of its divisors is an integer number (122645754).

Almost surely, 2^653906338 is an apocalyptic number.

653906338 is a deficient number, since it is larger than the sum of its proper divisors (327259694).

653906338 is a wasteful number, since it uses less digits than its factorization.

653906338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102176.

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 653906338 is about 25571.5924025079. The cubic root of 653906338 is about 867.9709343832.

The spelling of 653906338 in words is "six hundred fifty-three million, nine hundred six thousand, three hundred thirty-eight".