86213484 has 72 divisors (see below), whose sum is σ = 258306048. Its totient is φ = 24630480.

The previous prime is 86213483. The next prime is 86213509. The reversal of 86213484 is 48431268.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86213483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469 + ... + 13139.

It is an arithmetic number, because the mean of its divisors is an integer number (3587584).

Almost surely, 2^86213484 is an apocalyptic number.

86213484 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86213484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129153024).

86213484 is an abundant number, since it is smaller than the sum of its proper divisors (172092564).

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

86213484 is a wasteful number, since it uses less digits than its factorization.

86213484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697 (or 12683 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 86213484 is about 9285.1216470222. The cubic root of 86213484 is about 441.7654345310.

The spelling of 86213484 in words is "eighty-six million, two hundred thirteen thousand, four hundred eighty-four".