235401236 has 48 divisors (see below), whose sum is σ = 490976640. Its totient is φ = 96620160.

The previous prime is 235401233. The next prime is 235401293. The reversal of 235401236 is 632104532.

It is a super-3 number, since 3×235401236³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235401233) 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, 105266 + ... + 107478.

It is an arithmetic number, because the mean of its divisors is an integer number (10228680).

Almost surely, 2^235401236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235401236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245488320).

235401236 is an abundant number, since it is smaller than the sum of its proper divisors (255575404).

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

235401236 is a wasteful number, since it uses less digits than its factorization.

235401236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 235401236 is about 15342.7910107646. The cubic root of 235401236 is about 617.4515894670.

Adding to 235401236 its reverse (632104532), we get a palindrome (867505768).

The spelling of 235401236 in words is "two hundred thirty-five million, four hundred one thousand, two hundred thirty-six".