534998381 has 16 divisors (see below), whose sum is σ = 584100720. Its totient is φ = 488017920.

The previous prime is 534998363. The next prime is 534998407. The reversal of 534998381 is 183899435.

It can be written as a sum of positive squares in 8 ways, for example, as 10176100 + 524822281 = 3190^2 + 22909^2 .

It is a cyclic number.

It is not a de Polignac number, because 534998381 - 2²⁶ = 467889517 is a prime.

It is a super-2 number, since 2×534998381² = 572446535345242322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534998881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106985 + ... + 111873.

It is an arithmetic number, because the mean of its divisors is an integer number (36506295).

Almost surely, 2^534998381 is an apocalyptic number.

It is an amenable number.

534998381 is a deficient number, since it is larger than the sum of its proper divisors (49102339).

534998381 is a wasteful number, since it uses less digits than its factorization.

534998381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104.

The product of its digits is 933120, while the sum is 50.

The square root of 534998381 is about 23130.0320146774. The cubic root of 534998381 is about 811.8033190438.

The spelling of 534998381 in words is "five hundred thirty-four million, nine hundred ninety-eight thousand, three hundred eighty-one".