994155 has 16 divisors (see below), whose sum is σ = 1603584. Its totient is φ = 525920.

The previous prime is 994141. The next prime is 994163. The reversal of 994155 is 551499.

It is not a de Polignac number, because 994155 - 2⁷ = 994027 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (100224).

2⁹⁹⁴¹⁵⁵ is an apocalyptic number.

994155 is a deficient number, since it is larger than the sum of its proper divisors (609429).

994155 is a wasteful number, since it uses less digits than its factorization.

994155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its digits is 8100, while the sum is 33.

The square root of 994155 is about 997.0732169705. The cubic root of 994155 is about 99.8047858289.

The spelling of 994155 in words is "nine hundred ninety-four thousand, one hundred fifty-five".