86329428 has 12 divisors (see below), whose sum is σ = 201435360. Its totient is φ = 28776472.

The previous prime is 86329427. The next prime is 86329493. The reversal of 86329428 is 82492368.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 86329428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86329427) 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, 3597048 + ... + 3597071.

It is an arithmetic number, because the mean of its divisors is an integer number (16786280).

Almost surely, 2^86329428 is an apocalyptic number.

It is an amenable number.

86329428 is an abundant number, since it is smaller than the sum of its proper divisors (115105932).

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

86329428 is a wasteful number, since it uses less digits than its factorization.

86329428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194126 (or 7194124 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 86329428 is about 9291.3630862215. The cubic root of 86329428 is about 441.9633815544.

The spelling of 86329428 in words is "eighty-six million, three hundred twenty-nine thousand, four hundred twenty-eight".