4493890 has 16 divisors (see below), whose sum is σ = 8169408. Its totient is φ = 1779696.

The previous prime is 4493873. The next prime is 4493921. The reversal of 4493890 is 983944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (510588).

Almost surely, 2^4493890 is an apocalyptic number.

4493890 is a deficient number, since it is larger than the sum of its proper divisors (3675518).

4493890 is a wasteful number, since it uses less digits than its factorization.

4493890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473.

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

The square root of 4493890 is about 2119.8797135687. The cubic root of 4493890 is about 165.0216072101.

The spelling of 4493890 in words is "four million, four hundred ninety-three thousand, eight hundred ninety".