4147988 has 12 divisors (see below), whose sum is σ = 7817460. Its totient is φ = 1914432.

The previous prime is 4147987. The next prime is 4147991. The reversal of 4147988 is 8897414.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2347024 + 1800964 = 1532^2 + 1342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4147987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39833 + ... + 39936.

It is an arithmetic number, because the mean of its divisors is an integer number (651455).

Almost surely, 2^4147988 is an apocalyptic number.

It is an amenable number.

4147988 is a deficient number, since it is larger than the sum of its proper divisors (3669472).

4147988 is a wasteful number, since it uses less digits than its factorization.

4147988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79786 (or 79784 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 4147988 is about 2036.6609928999. The cubic root of 4147988 is about 160.6740831694.

The spelling of 4147988 in words is "four million, one hundred forty-seven thousand, nine hundred eighty-eight".