994729 has 4 divisors (see below), whose sum is σ = 1029060. Its totient is φ = 960400.

The previous prime is 994723. The next prime is 994751. The reversal of 994729 is 927499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927499 = 491 ⋅1889.

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 719104 = 525^2 + 848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994729 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994691 and 994700.

It is not an unprimeable number, because it can be changed into a prime (994723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17122 + ... + 17179.

It is an arithmetic number, because the mean of its divisors is an integer number (257265).

2⁹⁹⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

994729 is a deficient number, since it is larger than the sum of its proper divisors (34331).

994729 is a wasteful number, since it uses less digits than its factorization.

994729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34330.

The product of its digits is 40824, while the sum is 40.

The square root of 994729 is about 997.3610178867. The cubic root of 994729 is about 99.8239903879.

The spelling of 994729 in words is "nine hundred ninety-four thousand, seven hundred twenty-nine".