87943000 has 32 divisors (see below), whose sum is σ = 205788960. Its totient is φ = 35176800.

The previous prime is 87942983. The next prime is 87943003. The reversal of 87943000 is 34978.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87943003) 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, 42972 + ... + 44971.

It is an arithmetic number, because the mean of its divisors is an integer number (6430905).

Almost surely, 2^87943000 is an apocalyptic number.

It is an amenable number.

87943000 is an abundant number, since it is smaller than the sum of its proper divisors (117845960).

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

87943000 is a wasteful number, since it uses less digits than its factorization.

87943000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87964 (or 87950 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 87943000 is about 9377.7929173127. The cubic root of 87943000 is about 444.6999618675.

Adding to 87943000 its reverse (34978), we get a palindrome (87977978).

The spelling of 87943000 in words is "eighty-seven million, nine hundred forty-three thousand".