86890356 has 72 divisors (see below), whose sum is σ = 257828480. Its totient is φ = 24152256.

The previous prime is 86890327. The next prime is 86890361. The reversal of 86890356 is 65309868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4665 + ... + 13983.

Almost surely, 2^86890356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86890356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128914240).

86890356 is an abundant number, since it is smaller than the sum of its proper divisors (170938124).

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

86890356 is a wasteful number, since it uses less digits than its factorization.

86890356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373 (or 9368 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 86890356 is about 9321.4996647535. The cubic root of 86890356 is about 442.9185391713.

The spelling of 86890356 in words is "eighty-six million, eight hundred ninety thousand, three hundred fifty-six".