534128238 has 48 divisors (see below), whose sum is σ = 1354874976. Its totient is φ = 148884480.

The previous prime is 534128237. The next prime is 534128281. The reversal of 534128238 is 832821435.

534128238 is a `hidden beast` number, since 5 + 3 + 412 + 8 + 238 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534128237) 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, 46531 + ... + 56862.

It is an arithmetic number, because the mean of its divisors is an integer number (28226562).

Almost surely, 2^534128238 is an apocalyptic number.

534128238 is an abundant number, since it is smaller than the sum of its proper divisors (820746738).

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

534128238 is a wasteful number, since it uses less digits than its factorization.

534128238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103449 (or 103446 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 534128238 is about 23111.2145505164. The cubic root of 534128238 is about 811.3629636388.

The spelling of 534128238 in words is "five hundred thirty-four million, one hundred twenty-eight thousand, two hundred thirty-eight".