235689342 has 64 divisors (see below), whose sum is σ = 560123904. Its totient is φ = 64696320.

The previous prime is 235689341. The next prime is 235689347. The reversal of 235689342 is 243986532.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 235689294 and 235689303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235689341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203838 + ... + 204990.

It is an arithmetic number, because the mean of its divisors is an integer number (8751936).

Almost surely, 2^235689342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235689342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280061952).

235689342 is an abundant number, since it is smaller than the sum of its proper divisors (324434562).

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

235689342 is a wasteful number, since it uses less digits than its factorization.

235689342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

The product of its digits is 311040, while the sum is 42.

The square root of 235689342 is about 15352.1771094526. The cubic root of 235689342 is about 617.7033850630.

The spelling of 235689342 in words is "two hundred thirty-five million, six hundred eighty-nine thousand, three hundred forty-two".