534985905 has 8 divisors (see below), whose sum is σ = 855977472. Its totient is φ = 285325808.

The previous prime is 534985897. The next prime is 534985933. The reversal of 534985905 is 509589435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 534985905 - 2³ = 534985897 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17832849 + ... + 17832878.

It is an arithmetic number, because the mean of its divisors is an integer number (106997184).

Almost surely, 2^534985905 is an apocalyptic number.

It is an amenable number.

534985905 is a deficient number, since it is larger than the sum of its proper divisors (320991567).

534985905 is a wasteful number, since it uses less digits than its factorization.

534985905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35665735.

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 534985905 is about 23129.7623204390. The cubic root of 534985905 is about 811.7970086590.

The spelling of 534985905 in words is "five hundred thirty-four million, nine hundred eighty-five thousand, nine hundred five".