85341421 has 12 divisors (see below), whose sum is σ = 94402336. Its totient is φ = 77089320.

The previous prime is 85341401. The next prime is 85341427. The reversal of 85341421 is 12414358.

It is not a de Polignac number, because 85341421 - 2⁹ = 85340909 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 85341421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85341427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17560 + ... + 21886.

Almost surely, 2^85341421 is an apocalyptic number.

It is an amenable number.

85341421 is a deficient number, since it is larger than the sum of its proper divisors (9060915).

85341421 is a wasteful number, since it uses less digits than its factorization.

85341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512 (or 4501 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 85341421 is about 9238.0420544615. The cubic root of 85341421 is about 440.2708748752.

Adding to 85341421 its reverse (12414358), we get a palindrome (97755779).

The spelling of 85341421 in words is "eighty-five million, three hundred forty-one thousand, four hundred twenty-one".