533983770 has 96 divisors (see below), whose sum is σ = 1475295120. Its totient is φ = 133539840.

The previous prime is 533983763. The next prime is 533983777. The reversal of 533983770 is 77389335.

It is an interprime number because it is at equal distance from previous prime (533983763) and next prime (533983777).

It can be written as a sum of positive squares in 8 ways, for example, as 142062561 + 391921209 = 11919^2 + 19797^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (533983777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 643716 + ... + 644544.

Almost surely, 2^533983770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533983770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737647560).

533983770 is an abundant number, since it is smaller than the sum of its proper divisors (941311350).

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

533983770 is a wasteful number, since it uses less digits than its factorization.

533983770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 533983770 is about 23108.0888435197. The cubic root of 533983770 is about 811.2898060798.

The spelling of 533983770 in words is "five hundred thirty-three million, nine hundred eighty-three thousand, seven hundred seventy".