994538 has 4 divisors (see below), whose sum is σ = 1491810. Its totient is φ = 497268.

The previous prime is 994501. The next prime is 994549. The reversal of 994538 is 835499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 994009 + 529 = 997^2 + 23^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248633 + ... + 248636.

2⁹⁹⁴⁵³⁸ is an apocalyptic number.

994538 is a deficient number, since it is larger than the sum of its proper divisors (497272).

994538 is a wasteful number, since it uses less digits than its factorization.

994538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497271.

The product of its digits is 38880, while the sum is 38.

The square root of 994538 is about 997.2652606002. The cubic root of 994538 is about 99.8176008411.

The spelling of 994538 in words is "nine hundred ninety-four thousand, five hundred thirty-eight".