1988825 has 24 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 1460160.

The previous prime is 1988807. The next prime is 1988837. The reversal of 1988825 is 5288891.

It is not a de Polignac number, because 1988825 - 2¹² = 1984729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25136 + ... + 25214.

It is an arithmetic number, because the mean of its divisors is an integer number (111600).

2^1988825 is an apocalyptic number.

It is an amenable number.

1988825 is a deficient number, since it is larger than the sum of its proper divisors (689575).

1988825 is a wasteful number, since it uses less digits than its factorization.

1988825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its digits is 46080, while the sum is 41.

The square root of 1988825 is about 1410.2570687644. The cubic root of 1988825 is about 125.7570062774.

The spelling of 1988825 in words is "one million, nine hundred eighty-eight thousand, eight hundred twenty-five".