86021754 has 96 divisors (see below), whose sum is σ = 219252096. Its totient is φ = 22296960.

The previous prime is 86021753. The next prime is 86021821. The reversal of 86021754 is 45712068.

It is a super-2 number, since 2×86021754² = 14799484322473032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86021753) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271204 + ... + 271520.

It is an arithmetic number, because the mean of its divisors is an integer number (2283876).

Almost surely, 2^86021754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86021754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109626048).

86021754 is an abundant number, since it is smaller than the sum of its proper divisors (133230342).

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

86021754 is a wasteful number, since it uses less digits than its factorization.

86021754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 86021754 is about 9274.7913184071. The cubic root of 86021754 is about 441.4377110383.

The spelling of 86021754 in words is "eighty-six million, twenty-one thousand, seven hundred fifty-four".