85962421 has 8 divisors (see below), whose sum is σ = 91632600. Its totient is φ = 80360448.

The previous prime is 85962379. The next prime is 85962427. The reversal of 85962421 is 12426958.

It can be written as a sum of positive squares in 4 ways, for example, as 32832900 + 53129521 = 5730^2 + 7289^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 85962421 - 2¹¹ = 85960373 is a prime.

It is a super-3 number, since 3×85962421³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85962427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14436 + ... + 19501.

It is an arithmetic number, because the mean of its divisors is an integer number (11454075).

Almost surely, 2^85962421 is an apocalyptic number.

It is an amenable number.

85962421 is a deficient number, since it is larger than the sum of its proper divisors (5670179).

85962421 is a wasteful number, since it uses less digits than its factorization.

85962421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34103.

The product of its digits is 34560, while the sum is 37.

The square root of 85962421 is about 9271.5921502189. The cubic root of 85962421 is about 441.3361946711.

The spelling of 85962421 in words is "eighty-five million, nine hundred sixty-two thousand, four hundred twenty-one".