235849421 has 2 divisors, whose sum is σ = 235849422. Its totient is φ = 235849420.

The previous prime is 235849399. The next prime is 235849463. The reversal of 235849421 is 124948532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209120521 + 26728900 = 14461^2 + 5170^2 .

It is a cyclic number.

It is not a de Polignac number, because 235849421 - 2¹⁸ = 235587277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235849321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117924710 + 117924711.

It is an arithmetic number, because the mean of its divisors is an integer number (117924711).

Almost surely, 2^235849421 is an apocalyptic number.

It is an amenable number.

235849421 is a deficient number, since it is larger than the sum of its proper divisors (1).

235849421 is an equidigital number, since it uses as much as digits as its factorization.

235849421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 235849421 is about 15357.3897847258. The cubic root of 235849421 is about 617.8432004109.

The spelling of 235849421 in words is "two hundred thirty-five million, eight hundred forty-nine thousand, four hundred twenty-one".