87436000 has 48 divisors (see below), whose sum is σ = 214840080. Its totient is φ = 34972800.

The previous prime is 87435991. The next prime is 87436001. The reversal of 87436000 is 63478.

It is a self number, because there is not a number n which added to its sum of digits gives 87436000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87436001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6930 + ... + 14929.

It is an arithmetic number, because the mean of its divisors is an integer number (4475835).

Almost surely, 2^87436000 is an apocalyptic number.

87436000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87436000 is an abundant number, since it is smaller than the sum of its proper divisors (127404080).

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

87436000 is a wasteful number, since it uses less digits than its factorization.

87436000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21884 (or 21866 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 87436000 is about 9350.7218972655. The cubic root of 87436000 is about 443.8437347448.

Adding to 87436000 its reverse (63478), we get a palindrome (87499478).

The spelling of 87436000 in words is "eighty-seven million, four hundred thirty-six thousand".