11946390400398 has 8 divisors (see below), whose sum is σ = 23892780800808. Its totient is φ = 3982130133464.

The previous prime is 11946390400331. The next prime is 11946390400471. The reversal of 11946390400398 is 89300409364911.

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

11946390400398 is an admirable number.

It is a congruent number.

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, 995532533361 + ... + 995532533372.

It is an arithmetic number, because the mean of its divisors is an integer number (2986597600101).

Almost surely, 2^{11946390400398} is an apocalyptic number.

11946390400398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11946390400398 is a wasteful number, since it uses less digits than its factorization.

11946390400398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991065066738.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 11946390400398 in words is "eleven trillion, nine hundred forty-six billion, three hundred ninety million, four hundred thousand, three hundred ninety-eight".