993087 has 8 divisors (see below), whose sum is σ = 1471280. Its totient is φ = 662040.

The previous prime is 993079. The next prime is 993103. The reversal of 993087 is 780399.

It is not a de Polignac number, because 993087 - 2³ = 993079 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993037) 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, 18364 + ... + 18417.

It is an arithmetic number, because the mean of its divisors is an integer number (183910).

2⁹⁹³⁰⁸⁷ is an apocalyptic number.

993087 is a deficient number, since it is larger than the sum of its proper divisors (478193).

993087 is a wasteful number, since it uses less digits than its factorization.

993087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36790 (or 36784 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 993087 is about 996.5375055661. The cubic root of 993087 is about 99.7690336227.

It can be divided in two parts, 9 and 93087, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 993087 in words is "nine hundred ninety-three thousand, eighty-seven".