1988241 has 16 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 1269968.

The previous prime is 1988237. The next prime is 1988243. The reversal of 1988241 is 1428891.

It is a cyclic number.

It is not a de Polignac number, because 1988241 - 2² = 1988237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1988243) 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 15 ways as a sum of consecutive naturals, for example, 8200 + ... + 8438.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

2^1988241 is an apocalyptic number.

It is an amenable number.

1988241 is a deficient number, since it is larger than the sum of its proper divisors (776559).

1988241 is a wasteful number, since it uses less digits than its factorization.

1988241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its digits is 4608, while the sum is 33.

The square root of 1988241 is about 1410.0499991135. The cubic root of 1988241 is about 125.7446959465.

The spelling of 1988241 in words is "one million, nine hundred eighty-eight thousand, two hundred forty-one".