4491946 has 8 divisors (see below), whose sum is σ = 7030944. Its totient is φ = 2148300.

The previous prime is 4491943. The next prime is 4491953. The reversal of 4491946 is 6491944.

4491946 = T₁₇₂₉ + T₁₇₃₀ + T₁₇₃₁.

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

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4491941) 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, 48780 + ... + 48871.

It is an arithmetic number, because the mean of its divisors is an integer number (878868).

Almost surely, 2^4491946 is an apocalyptic number.

4491946 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4491946 is the 1731-st centered triangular number.

4491946 is a deficient number, since it is larger than the sum of its proper divisors (2538998).

4491946 is a wasteful number, since it uses less digits than its factorization.

4491946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97676.

The product of its digits is 31104, while the sum is 37.

The square root of 4491946 is about 2119.4211473891. The cubic root of 4491946 is about 164.9978083578.

The spelling of 4491946 in words is "four million, four hundred ninety-one thousand, nine hundred forty-six".