86650420 has 12 divisors (see below), whose sum is σ = 181965924. Its totient is φ = 34660160.

The previous prime is 86650387. The next prime is 86650427. The reversal of 86650420 is 2405668.

It can be written as a sum of positive squares in 2 ways, for example, as 63552784 + 23097636 = 7972^2 + 4806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86650427) 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, 2166241 + ... + 2166280.

It is an arithmetic number, because the mean of its divisors is an integer number (15163827).

Almost surely, 2^86650420 is an apocalyptic number.

It is an amenable number.

86650420 is an abundant number, since it is smaller than the sum of its proper divisors (95315504).

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

86650420 is a wasteful number, since it uses less digits than its factorization.

86650420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332530 (or 4332528 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 86650420 is about 9308.6207356407. The cubic root of 86650420 is about 442.5104767328.

The spelling of 86650420 in words is "eighty-six million, six hundred fifty thousand, four hundred twenty".