1055384 has 32 divisors (see below), whose sum is σ = 2203200. Its totient is φ = 469920.

The previous prime is 1055371. The next prime is 1055387. The reversal of 1055384 is 4835501.

It is a super-2 number, since 2×1055384² = 2227670774912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2^1055384 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 1055384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101600).

1055384 is an abundant number, since it is smaller than the sum of its proper divisors (1147816).

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

1055384 is a wasteful number, since it uses less digits than its factorization.

1055384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1055384 is about 1027.3188404775. The cubic root of 1055384 is about 101.8130627065.

The spelling of 1055384 in words is "one million, fifty-five thousand, three hundred eighty-four".