994815 has 16 divisors (see below), whose sum is σ = 1768800. Its totient is φ = 530496.

The previous prime is 994813. The next prime is 994817. The reversal of 994815 is 518499.

It is an interprime number because it is at equal distance from previous prime (994813) and next prime (994817).

It is not a de Polignac number, because 994815 - 2¹ = 994813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (110550).

2⁹⁹⁴⁸¹⁵ is an apocalyptic number.

994815 is a deficient number, since it is larger than the sum of its proper divisors (773985).

994815 is a wasteful number, since it uses less digits than its factorization.

994815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383 (or 7377 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 994815 is about 997.4041307314. The cubic root of 994815 is about 99.8268670896.

The spelling of 994815 in words is "nine hundred ninety-four thousand, eight hundred fifteen".