1097984 has 18 divisors (see below), whose sum is σ = 2192190. Its totient is φ = 548864.

The previous prime is 1097983. The next prime is 1098017. The reversal of 1097984 is 4897901.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 16384 = 1040^2 + 128^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1097983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1889 + ... + 2400.

2^1097984 is an apocalyptic number.

It is an amenable number.

1097984 is a deficient number, since it is larger than the sum of its proper divisors (1094206).

1097984 is an frugal number, since it uses more digits than its factorization.

1097984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4291 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1097984 is about 1047.8473171221. The cubic root of 1097984 is about 103.1649100500.

The spelling of 1097984 in words is "one million, ninety-seven thousand, nine hundred eighty-four".