6906847398 has 16 divisors (see below), whose sum is σ = 15069485376. Its totient is φ = 2092984040.

The previous prime is 6906847391. The next prime is 6906847417. The reversal of 6906847398 is 8937486096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6906847391) 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, 52324536 + ... + 52324667.

It is an arithmetic number, because the mean of its divisors is an integer number (941842836).

Almost surely, 2^6906847398 is an apocalyptic number.

6906847398 is an abundant number, since it is smaller than the sum of its proper divisors (8162637978).

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

6906847398 is a wasteful number, since it uses less digits than its factorization.

6906847398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104649219.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The square root of 6906847398 is about 83107.4449011639. Note that the first 3 decimals coincide. The cubic root of 6906847398 is about 1904.4078087100.

The spelling of 6906847398 in words is "six billion, nine hundred six million, eight hundred forty-seven thousand, three hundred ninety-eight".