533981930 has 16 divisors (see below), whose sum is σ = 994311720. Its totient is φ = 206227392.

The previous prime is 533981927. The next prime is 533981939. The reversal of 533981930 is 39189335.

It can be written as a sum of positive squares in 4 ways, for example, as 498137761 + 35844169 = 22319^2 + 5987^2 .

It is not an unprimeable number, because it can be changed into a prime (533981939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920369 + ... + 920948.

Almost surely, 2^533981930 is an apocalyptic number.

533981930 is a deficient number, since it is larger than the sum of its proper divisors (460329790).

533981930 is a wasteful number, since it uses less digits than its factorization.

533981930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841353.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 533981930 is about 23108.0490305867. The cubic root of 533981930 is about 811.2888742319.

The spelling of 533981930 in words is "five hundred thirty-three million, nine hundred eighty-one thousand, nine hundred thirty".