4181946 has 8 divisors (see below), whose sum is σ = 8363904. Its totient is φ = 1393980.

The previous prime is 4181941. The next prime is 4181953. The reversal of 4181946 is 6491814.

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

4181946 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4181941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348490 + ... + 348501.

It is an arithmetic number, because the mean of its divisors is an integer number (1045488).

Almost surely, 2^4181946 is an apocalyptic number.

4181946 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.

4181946 is a wasteful number, since it uses less digits than its factorization.

4181946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696996.

The product of its digits is 6912, while the sum is 33.

The square root of 4181946 is about 2044.9806845054. The cubic root of 4181946 is about 161.1113512834. Note that the first 3 decimals are identical.

The spelling of 4181946 in words is "four million, one hundred eighty-one thousand, nine hundred forty-six".