534920 has 32 divisors (see below), whose sum is σ = 1235520. Its totient is φ = 208320.

The previous prime is 534913. The next prime is 534923. The reversal of 534920 is 29435.

It is a super-2 number, since 2×534920² = 572278812800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (534923) by changing a digit.

534920 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 1875.

It is an arithmetic number, because the mean of its divisors is an integer number (38610).

2⁵³⁴⁹²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 534920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617760).

534920 is an abundant number, since it is smaller than the sum of its proper divisors (700600).

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

534920 is a wasteful number, since it uses less digits than its factorization.

534920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 534920 is about 731.3822529977. The cubic root of 534920 is about 81.1763672155.

The spelling of 534920 in words is "five hundred thirty-four thousand, nine hundred twenty".