104191946 has 8 divisors (see below), whose sum is σ = 165481380. Its totient is φ = 49031488.

The previous prime is 104191931. The next prime is 104191949. The reversal of 104191946 is 649191401.

It can be written as a sum of positive squares in 2 ways, for example, as 101505625 + 2686321 = 10075^2 + 1639^2 .

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

It is a super-2 number, since 2×104191946² = 21711923222533832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104191949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532201 + ... + 1532268.

Almost surely, 2^104191946 is an apocalyptic number.

104191946 is a deficient number, since it is larger than the sum of its proper divisors (61289434).

104191946 is a wasteful number, since it uses less digits than its factorization.

104191946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064488.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 104191946 is about 10207.4456158238. The cubic root of 104191946 is about 470.5560733835.

The spelling of 104191946 in words is "one hundred four million, one hundred ninety-one thousand, nine hundred forty-six".