4385988 has 30 divisors (see below), whose sum is σ = 11466686. Its totient is φ = 1461888.

The previous prime is 4385987. The next prime is 4386023. The reversal of 4385988 is 8895834.

It can be written as a sum of positive squares in only one way, i.e., 4359744 + 26244 = 2088^2 + 162^2 .

It is a super-2 number, since 2×4385988² = 38473781472288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4385981) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6445 + ... + 7092.

Almost surely, 2^4385988 is an apocalyptic number.

It is an amenable number.

4385988 is an abundant number, since it is smaller than the sum of its proper divisors (7080698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4385988 is a wasteful number, since it uses less digits than its factorization.

4385988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553 (or 13542 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 4385988 is about 2094.2750535687. The cubic root of 4385988 is about 163.6901247596.

The spelling of 4385988 in words is "four million, three hundred eighty-five thousand, nine hundred eighty-eight".