1053396 has 36 divisors (see below), whose sum is σ = 2757300. Its totient is φ = 338688.

The previous prime is 1053383. The next prime is 1053401. The reversal of 1053396 is 6933501.

It can be written as a sum of positive squares in 2 ways, for example, as 435600 + 617796 = 660^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1053396² = 2219286265632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 540 + ... + 1548.

2^1053396 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 1053396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378650).

1053396 is an abundant number, since it is smaller than the sum of its proper divisors (1703904).

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

1053396 is a wasteful number, since it uses less digits than its factorization.

1053396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1053396 is about 1026.3508172160. The cubic root of 1053396 is about 101.7490949659.

Adding to 1053396 its reverse (6933501), we get a palindrome (7986897).

The spelling of 1053396 in words is "one million, fifty-three thousand, three hundred ninety-six".