235438452 has 18 divisors (see below), whose sum is σ = 595136178. Its totient is φ = 78479472.

The previous prime is 235438447. The next prime is 235438453. The reversal of 235438452 is 254834532.

It can be written as a sum of positive squares in only one way, i.e., 211877136 + 23561316 = 14556^2 + 4854^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6539957 = 235438452 / (2 + 3 + 5 + 4 + 3 + 8 + 4 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235438453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3269943 + ... + 3270014.

It is an arithmetic number, because the mean of its divisors is an integer number (33063121).

Almost surely, 2^235438452 is an apocalyptic number.

It is an amenable number.

235438452 is an abundant number, since it is smaller than the sum of its proper divisors (359697726).

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

235438452 is a wasteful number, since it uses less digits than its factorization.

235438452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539967 (or 6539962 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 235438452 is about 15344.0037799787. The cubic root of 235438452 is about 617.4841266333.

The spelling of 235438452 in words is "two hundred thirty-five million, four hundred thirty-eight thousand, four hundred fifty-two".