396706916238 has 16 divisors (see below), whose sum is σ = 819007827456. Its totient is φ = 127969972920.

The previous prime is 396706916233. The next prime is 396706916293. The reversal of 396706916238 is 832619607693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396706916233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066416256 + ... + 1066416627.

It is an arithmetic number, because the mean of its divisors is an integer number (51187989216).

Almost surely, 2^396706916238 is an apocalyptic number.

396706916238 is an abundant number, since it is smaller than the sum of its proper divisors (422300911218).

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

396706916238 is a wasteful number, since it uses less digits than its factorization.

396706916238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132832919.

The product of its (nonzero) digits is 17635968, while the sum is 60.

The spelling of 396706916238 in words is "three hundred ninety-six billion, seven hundred six million, nine hundred sixteen thousand, two hundred thirty-eight".