1025984 has 56 divisors (see below), whose sum is σ = 2304288. Its totient is φ = 450560.

The previous prime is 1025957. The next prime is 1026029. The reversal of 1025984 is 4895201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25004 + ... + 25044.

It is an arithmetic number, because the mean of its divisors is an integer number (41148).

2^1025984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152144).

1025984 is an abundant number, since it is smaller than the sum of its proper divisors (1278304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025984 is a wasteful number, since it uses less digits than its factorization.

1025984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1025984 is about 1012.9086829522. The cubic root of 1025984 is about 100.8587379166.

The spelling of 1025984 in words is "one million, twenty-five thousand, nine hundred eighty-four".