85674401 has 4 divisors (see below), whose sum is σ = 90183600. Its totient is φ = 81165204.

The previous prime is 85674389. The next prime is 85674403. The reversal of 85674401 is 10447658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85674401 - 2¹⁰ = 85673377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85674403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254571 + ... + 2254608.

It is an arithmetic number, because the mean of its divisors is an integer number (22545900).

Almost surely, 2^85674401 is an apocalyptic number.

It is an amenable number.

85674401 is a deficient number, since it is larger than the sum of its proper divisors (4509199).

85674401 is a wasteful number, since it uses less digits than its factorization.

85674401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509198.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 85674401 is about 9256.0467263298. The cubic root of 85674401 is about 440.8427391962.

It can be divided in two parts, 856 and 74401, that added together give a palindrome (75257).

The spelling of 85674401 in words is "eighty-five million, six hundred seventy-four thousand, four hundred one".