86261436 has 30 divisors (see below), whose sum is σ = 225505280. Its totient is φ = 28753704.

The previous prime is 86261429. The next prime is 86261447. The reversal of 86261436 is 63416268.

86261436 is a `hidden beast` number, since 8 + 6 + 2 + 614 + 36 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86261436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 132796 + ... + 133443.

Almost surely, 2^86261436 is an apocalyptic number.

It is an amenable number.

86261436 is an abundant number, since it is smaller than the sum of its proper divisors (139243844).

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

86261436 is a wasteful number, since it uses less digits than its factorization.

86261436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266255 (or 266244 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 86261436 is about 9287.7034836390. The cubic root of 86261436 is about 441.8473227651.

The spelling of 86261436 in words is "eighty-six million, two hundred sixty-one thousand, four hundred thirty-six".