1035643356 has 108 divisors (see below), whose sum is σ = 3002899536. Its totient is φ = 300157440.

The previous prime is 1035643351. The next prime is 1035643387. The reversal of 1035643356 is 6533465301.

1035643356 is a `hidden beast` number, since 1 + 0 + 3 + 5 + 643 + 3 + 5 + 6 = 666.

It is a super-3 number, since 3×1035643356³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1035643356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1035643351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95020 + ... + 105356.

Almost surely, 2^1035643356 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 1035643356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501449768).

1035643356 is an abundant number, since it is smaller than the sum of its proper divisors (1967256180).

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

1035643356 is a wasteful number, since it uses less digits than its factorization.

1035643356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392 (or 10376 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 1035643356 is about 32181.4132070051. The cubic root of 1035643356 is about 1011.7426882045.

The spelling of 1035643356 in words is "one billion, thirty-five million, six hundred forty-three thousand, three hundred fifty-six".