8445988 has 6 divisors (see below), whose sum is σ = 14780486. Its totient is φ = 4222992.

The previous prime is 8445979. The next prime is 8446001. The reversal of 8445988 is 8895448.

It can be written as a sum of positive squares in only one way, i.e., 7441984 + 1004004 = 2728^2 + 1002^2 .

It is a super-2 number, since 2×8445988² = 142669426592288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055745 + ... + 1055752.

Almost surely, 2^8445988 is an apocalyptic number.

It is an amenable number.

8445988 is a deficient number, since it is larger than the sum of its proper divisors (6334498).

8445988 is a wasteful number, since it uses less digits than its factorization.

8445988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111501 (or 2111499 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 8445988 is about 2906.1982038395. The cubic root of 8445988 is about 203.6495649634.

The spelling of 8445988 in words is "eight million, four hundred forty-five thousand, nine hundred eighty-eight".