236434 has 12 divisors (see below), whose sum is σ = 390222. Its totient is φ = 107360.

The previous prime is 236429. The next prime is 236449. The reversal of 236434 is 434632.

It can be written as a sum of positive squares in only one way, i.e., 148225 + 88209 = 385^2 + 297^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 2 + 3¹⁰ + 4 + 6³ + 3¹¹ + 4² .

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 236434.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247 + ... + 730.

2²³⁶⁴³⁴ is an apocalyptic number.

236434 is a deficient number, since it is larger than the sum of its proper divisors (153788).

236434 is a wasteful number, since it uses less digits than its factorization.

236434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 990 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 236434 is about 486.2447943166. The cubic root of 236434 is about 61.8353243588.

The spelling of 236434 in words is "two hundred thirty-six thousand, four hundred thirty-four".