534219805 has 24 divisors (see below), whose sum is σ = 753145560. Its totient is φ = 362678400.

The previous prime is 534219797. The next prime is 534219809. The reversal of 534219805 is 508912435.

It can be written as a sum of positive squares in 4 ways, for example, as 171164889 + 363054916 = 13083^2 + 19054^2 .

It is not a de Polignac number, because 534219805 - 2³ = 534219797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534219809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13951 + ... + 35539.

It is an arithmetic number, because the mean of its divisors is an integer number (31381065).

Almost surely, 2^534219805 is an apocalyptic number.

It is an amenable number.

534219805 is a deficient number, since it is larger than the sum of its proper divisors (218925755).

534219805 is a wasteful number, since it uses less digits than its factorization.

534219805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21709 (or 21702 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 534219805 is about 23113.1954735818. The cubic root of 534219805 is about 811.4093256808.

The spelling of 534219805 in words is "five hundred thirty-four million, two hundred nineteen thousand, eight hundred five".