533784690 has 48 divisors (see below), whose sum is σ = 1448186688. Its totient is φ = 136153248.

The previous prime is 533784661. The next prime is 533784721. The reversal of 533784690 is 96487335.

533784690 is a `hidden beast` number, since 533 + 78 + 46 + 9 + 0 = 666.

It is a super-2 number, since 2×533784690² = 569852190556792200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126864 + ... + 131003.

It is an arithmetic number, because the mean of its divisors is an integer number (30170556).

Almost surely, 2^533784690 is an apocalyptic number.

533784690 is an abundant number, since it is smaller than the sum of its proper divisors (914401998).

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

533784690 is a wasteful number, since it uses less digits than its factorization.

533784690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257903 (or 257900 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 533784690 is about 23103.7808594178. The cubic root of 533784690 is about 811.1889717727.

The spelling of 533784690 in words is "five hundred thirty-three million, seven hundred eighty-four thousand, six hundred ninety".