4493396990 has 64 divisors (see below), whose sum is σ = 8859414528. Its totient is φ = 1633497600.

The previous prime is 4493396953. The next prime is 4493396993. The reversal of 4493396990 is 996933944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493396993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4357775 + ... + 4358805.

It is an arithmetic number, because the mean of its divisors is an integer number (138428352).

Almost surely, 2^4493396990 is an apocalyptic number.

4493396990 is a deficient number, since it is larger than the sum of its proper divisors (4366017538).

4493396990 is a wasteful number, since it uses less digits than its factorization.

4493396990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 5668704, while the sum is 56.

The square root of 4493396990 is about 67032.8053269442. The cubic root of 4493396990 is about 1650.1557232886.

The spelling of 4493396990 in words is "four billion, four hundred ninety-three million, three hundred ninety-six thousand, nine hundred ninety".