85869396 has 108 divisors (see below), whose sum is σ = 236719392. Its totient is φ = 27214704.

The previous prime is 85869391. The next prime is 85869461. The reversal of 85869396 is 69396858.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85869391) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 514105 + ... + 514271.

Almost surely, 2^85869396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85869396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118359696).

85869396 is an abundant number, since it is smaller than the sum of its proper divisors (150849996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85869396 is a wasteful number, since it uses less digits than its factorization.

85869396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 195 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 85869396 is about 9266.5741242381. The cubic root of 85869396 is about 441.1769385783.

The spelling of 85869396 in words is "eighty-five million, eight hundred sixty-nine thousand, three hundred ninety-six".