85606940 has 12 divisors (see below), whose sum is σ = 179774616. Its totient is φ = 34242768.

The previous prime is 85606909. The next prime is 85606949. The reversal of 85606940 is 4960658.

It is a junction number, because it is equal to n+sod(n) for n = 85606894 and 85606903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85606949) 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, 2140154 + ... + 2140193.

It is an arithmetic number, because the mean of its divisors is an integer number (14981218).

Almost surely, 2^85606940 is an apocalyptic number.

It is an amenable number.

85606940 is an abundant number, since it is smaller than the sum of its proper divisors (94167676).

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

85606940 is a wasteful number, since it uses less digits than its factorization.

85606940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280356 (or 4280354 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 85606940 is about 9252.4018503305. The cubic root of 85606940 is about 440.7270006135.

The spelling of 85606940 in words is "eighty-five million, six hundred six thousand, nine hundred forty".