4381946 has 8 divisors (see below), whose sum is σ = 6582144. Its totient is φ = 2187900.

The previous prime is 4381939. The next prime is 4381961. The reversal of 4381946 is 6491834.

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

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 3 ways as a sum of consecutive naturals, for example, 1271 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (822768).

Almost surely, 2^4381946 is an apocalyptic number.

4381946 is a deficient number, since it is larger than the sum of its proper divisors (2200198).

4381946 is a wasteful number, since it uses less digits than its factorization.

4381946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its digits is 20736, while the sum is 35.

The square root of 4381946 is about 2093.3098194008. The cubic root of 4381946 is about 163.6398252728.

The spelling of 4381946 in words is "four million, three hundred eighty-one thousand, nine hundred forty-six".