396550194 has 48 divisors (see below), whose sum is σ = 854629056. Its totient is φ = 122617600.

The previous prime is 396550111. The next prime is 396550207. The reversal of 396550194 is 491055693.

It is a super-2 number, since 2×396550194² = 314504112722875272, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121504 + ... + 124724.

It is an arithmetic number, because the mean of its divisors is an integer number (17804772).

Almost surely, 2^396550194 is an apocalyptic number.

396550194 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

396550194 is an abundant number, since it is smaller than the sum of its proper divisors (458078862).

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

396550194 is a wasteful number, since it uses less digits than its factorization.

396550194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 396550194 is about 19913.5680881152. The cubic root of 396550194 is about 734.6819819078.

The spelling of 396550194 in words is "three hundred ninety-six million, five hundred fifty thousand, one hundred ninety-four".