1084220 has 24 divisors (see below), whose sum is σ = 2376864. Its totient is φ = 414656.

The previous prime is 1084219. The next prime is 1084247. The reversal of 1084220 is 224801.

It is a congruent 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, 719 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (99036).

2^1084220 is an apocalyptic number.

1084220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1084220 is an abundant number, since it is smaller than the sum of its proper divisors (1292644).

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

1084220 is a wasteful number, since it uses less digits than its factorization.

1084220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1084220 is about 1041.2588535038. The cubic root of 1084220 is about 102.7320145802.

The spelling of 1084220 in words is "one million, eighty-four thousand, two hundred twenty".