1054389 has 32 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 551232.

The previous prime is 1054381. The next prime is 1054393. The reversal of 1054389 is 9834501.

It is not a de Polignac number, because 1054389 - 2³ = 1054381 is a prime.

It is a super-2 number, since 2×1054389² = 2223472326642, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17842 + ... + 17900.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2^1054389 is an apocalyptic number.

It is an amenable number.

1054389 is a deficient number, since it is larger than the sum of its proper divisors (696651).

1054389 is a wasteful number, since it uses less digits than its factorization.

1054389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1054389 is about 1026.8344559860. The cubic root of 1054389 is about 101.7810567099.

The spelling of 1054389 in words is "one million, fifty-four thousand, three hundred eighty-nine".