4197988 has 6 divisors (see below), whose sum is σ = 7346486. Its totient is φ = 2098992.

The previous prime is 4197967. The next prime is 4198003. The reversal of 4197988 is 8897914.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4169764 + 28224 = 2042^2 + 168^2 .

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 as a sum of consecutive naturals, namely, 524745 + ... + 524752.

Almost surely, 2^4197988 is an apocalyptic number.

It is an amenable number.

4197988 is a deficient number, since it is larger than the sum of its proper divisors (3148498).

4197988 is a wasteful number, since it uses less digits than its factorization.

4197988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049501 (or 1049499 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 4197988 is about 2048.8992166527. The cubic root of 4197988 is about 161.3170968490.

The spelling of 4197988 in words is "four million, one hundred ninety-seven thousand, nine hundred eighty-eight".