1022984 has 8 divisors (see below), whose sum is σ = 1918110. Its totient is φ = 511488.

The previous prime is 1022981. The next prime is 1023019. The reversal of 1022984 is 4892201.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 334084 = 830^2 + 578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63929 + ... + 63944.

2^1022984 is an apocalyptic number.

It is an amenable number.

1022984 is a deficient number, since it is larger than the sum of its proper divisors (895126).

1022984 is a wasteful number, since it uses less digits than its factorization.

1022984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127879 (or 127875 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1022984 is about 1011.4267150911. The cubic root of 1022984 is about 100.7603375494.

The spelling of 1022984 in words is "one million, twenty-two thousand, nine hundred eighty-four".