1984625 has 8 divisors (see below), whose sum is σ = 2476968. Its totient is φ = 1587600.

The previous prime is 1984571. The next prime is 1984639. The reversal of 1984625 is 5264891.

It can be written as a sum of positive squares in 4 ways, for example, as 58081 + 1926544 = 241^2 + 1388^2 .

It is not a de Polignac number, because 1984625 - 2⁶ = 1984561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7814 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (309621).

2^1984625 is an apocalyptic number.

It is an amenable number.

1984625 is a deficient number, since it is larger than the sum of its proper divisors (492343).

1984625 is an equidigital number, since it uses as much as digits as its factorization.

1984625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15892 (or 15882 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1984625 is about 1408.7671915544. The cubic root of 1984625 is about 125.6684193536.

The spelling of 1984625 in words is "one million, nine hundred eighty-four thousand, six hundred twenty-five".