4509946 has 8 divisors (see below), whose sum is σ = 7731360. Its totient is φ = 1932828.

The previous prime is 4509941. The next prime is 4509961. The reversal of 4509946 is 6499054.

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

It is a super-2 number, since 2×4509946² = 40679225845832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4509941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161056 + ... + 161083.

It is an arithmetic number, because the mean of its divisors is an integer number (966420).

Almost surely, 2^4509946 is an apocalyptic number.

4509946 is a deficient number, since it is larger than the sum of its proper divisors (3221414).

4509946 is a wasteful number, since it uses less digits than its factorization.

4509946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322148.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 4509946 is about 2123.6633443180. The cubic root of 4509946 is about 165.2179061588.

The spelling of 4509946 in words is "four million, five hundred nine thousand, nine hundred forty-six".