235072397 has 8 divisors (see below), whose sum is σ = 280334976. Its totient is φ = 192730032.

The previous prime is 235072391. The next prime is 235072399. The reversal of 235072397 is 793270532.

It is a happy number.

235072397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235072397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235072397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235072391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729878 + ... + 730199.

It is an arithmetic number, because the mean of its divisors is an integer number (35041872).

Almost surely, 2^235072397 is an apocalyptic number.

It is an amenable number.

235072397 is a deficient number, since it is larger than the sum of its proper divisors (45262579).

235072397 is a wasteful number, since it uses less digits than its factorization.

235072397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460107.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 235072397 is about 15332.0708646940. The cubic root of 235072397 is about 617.1639433111.

It can be divided in two parts, 2350 and 72397, that added together give a palindrome (74747).

The spelling of 235072397 in words is "two hundred thirty-five million, seventy-two thousand, three hundred ninety-seven".