86969020 has 24 divisors (see below), whose sum is σ = 184690800. Its totient is φ = 34396032.

The previous prime is 86969017. The next prime is 86969021. The reversal of 86969020 is 2096968.

It is a happy number.

It is a super-2 number, since 2×86969020² = 15127220879520800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86969021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22650 + ... + 26209.

It is an arithmetic number, because the mean of its divisors is an integer number (7695450).

Almost surely, 2^86969020 is an apocalyptic number.

It is an amenable number.

86969020 is an abundant number, since it is smaller than the sum of its proper divisors (97721780).

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

86969020 is a wasteful number, since it uses less digits than its factorization.

86969020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48957 (or 48955 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 86969020 is about 9325.7182029053. The cubic root of 86969020 is about 443.0521605783.

The spelling of 86969020 in words is "eighty-six million, nine hundred sixty-nine thousand, twenty".