85836630 has 32 divisors (see below), whose sum is σ = 224736768. Its totient is φ = 20808800.

The previous prime is 85836629. The next prime is 85836631. The reversal of 85836630 is 3663858.

It is an interprime number because it is at equal distance from previous prime (85836629) and next prime (85836631).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85836631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129726 + ... + 130385.

It is an arithmetic number, because the mean of its divisors is an integer number (7023024).

Almost surely, 2^85836630 is an apocalyptic number.

85836630 is an abundant number, since it is smaller than the sum of its proper divisors (138900138).

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

85836630 is a wasteful number, since it uses less digits than its factorization.

85836630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260132.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 85836630 is about 9264.8059882547. The cubic root of 85836630 is about 441.1208167496.

The spelling of 85836630 in words is "eighty-five million, eight hundred thirty-six thousand, six hundred thirty".