1053993 has 8 divisors (see below), whose sum is σ = 1410400. Its totient is φ = 700128.

The previous prime is 1053991. The next prime is 1054003. The reversal of 1053993 is 3993501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1053993 - 2¹ = 1053991 is a prime.

It is a super-2 number, since 2×1053993² = 2221802488098, which contains 22 as substring.

It is a Duffinian number.

1053993 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053993.

It is not an unprimeable number, because it can be changed into a prime (1053991) 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, 798 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (176300).

2^1053993 is an apocalyptic number.

It is an amenable number.

1053993 is a deficient number, since it is larger than the sum of its proper divisors (356407).

1053993 is an equidigital number, since it uses as much as digits as its factorization.

1053993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 1053993 is about 1026.6416122484. The cubic root of 1053993 is about 101.7683130434.

The spelling of 1053993 in words is "one million, fifty-three thousand, nine hundred ninety-three".