994274431 has 4 divisors (see below), whose sum is σ = 1011126600. Its totient is φ = 977422264.

The previous prime is 994274417. The next prime is 994274459. The reversal of 994274431 is 134472499.

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

It is a cyclic number.

It is not a de Polignac number, because 994274431 - 2⁹ = 994273919 is a prime.

It is a super-2 number, since 2×994274431² = 1977163288280747522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994274531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425996 + ... + 8426113.

It is an arithmetic number, because the mean of its divisors is an integer number (252781650).

Almost surely, 2^994274431 is an apocalyptic number.

994274431 is a deficient number, since it is larger than the sum of its proper divisors (16852169).

994274431 is a wasteful number, since it uses less digits than its factorization.

994274431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16852168.

The product of its digits is 217728, while the sum is 43.

The square root of 994274431 is about 31532.1174518934. The cubic root of 994274431 is about 998.0878229093.

The spelling of 994274431 in words is "nine hundred ninety-four million, two hundred seventy-four thousand, four hundred thirty-one".