238435533 has 12 divisors (see below), whose sum is σ = 393607968. Its totient is φ = 136248840.

The previous prime is 238435531. The next prime is 238435543. The reversal of 238435533 is 335534832.

238435533 is a `hidden beast` number, since 23 + 84 + 3 + 553 + 3 = 666.

It is not a de Polignac number, because 238435533 - 2¹ = 238435531 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238435531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892283 + ... + 1892408.

It is an arithmetic number, because the mean of its divisors is an integer number (32800664).

Almost surely, 2^238435533 is an apocalyptic number.

It is an amenable number.

238435533 is a deficient number, since it is larger than the sum of its proper divisors (155172435).

238435533 is a wasteful number, since it uses less digits than its factorization.

238435533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784704 (or 3784701 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 238435533 is about 15441.3578742285. The cubic root of 238435533 is about 620.0932334644.

The spelling of 238435533 in words is "two hundred thirty-eight million, four hundred thirty-five thousand, five hundred thirty-three".