4509442 has 24 divisors (see below), whose sum is σ = 8027136. Its totient is φ = 1861104.

The previous prime is 4509419. The next prime is 4509451. The reversal of 4509442 is 2449054.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 4509442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11583 + ... + 11965.

It is an arithmetic number, because the mean of its divisors is an integer number (334464).

Almost surely, 2^4509442 is an apocalyptic number.

4509442 is a deficient number, since it is larger than the sum of its proper divisors (3517694).

4509442 is a wasteful number, since it uses less digits than its factorization.

4509442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4509442 is about 2123.5446781266. The cubic root of 4509442 is about 165.2117513973.

The spelling of 4509442 in words is "four million, five hundred nine thousand, four hundred forty-two".