4398993 has 12 divisors (see below), whose sum is σ = 6559488. Its totient is φ = 2837880.

The previous prime is 4398991. The next prime is 4398997. The reversal of 4398993 is 3998934.

It is not a de Polignac number, because 4398993 - 2¹ = 4398991 is a prime.

It is a super-2 number, since 2×4398993² = 38702278828098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4398991) 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 11 ways as a sum of consecutive naturals, for example, 7605 + ... + 8162.

It is an arithmetic number, because the mean of its divisors is an integer number (546624).

Almost surely, 2^4398993 is an apocalyptic number.

It is an amenable number.

4398993 is a deficient number, since it is larger than the sum of its proper divisors (2160495).

4398993 is a wasteful number, since it uses less digits than its factorization.

4398993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804 (or 15801 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 4398993 is about 2097.3776483981. The cubic root of 4398993 is about 163.8517523100.

The spelling of 4398993 in words is "four million, three hundred ninety-eight thousand, nine hundred ninety-three".