994513 has 8 divisors (see below), whose sum is σ = 1082088. Its totient is φ = 908544.

The previous prime is 994501. The next prime is 994549. The reversal of 994513 is 315499.

It can be written as a sum of positive squares in 4 ways, for example, as 49729 + 944784 = 223^2 + 972^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-994513 is a prime.

It is a super-2 number, since 2×994513² = 1978112214338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (994583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (135261).

2⁹⁹⁴⁵¹³ is an apocalyptic number.

It is an amenable number.

994513 is a deficient number, since it is larger than the sum of its proper divisors (87575).

994513 is a wasteful number, since it uses less digits than its factorization.

994513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its digits is 4860, while the sum is 31.

The square root of 994513 is about 997.2527262435. The cubic root of 994513 is about 99.8167644524.

The spelling of 994513 in words is "nine hundred ninety-four thousand, five hundred thirteen".