994609451 has 16 divisors (see below), whose sum is σ = 1108042848. Its totient is φ = 885196800.

The previous prime is 994609423. The next prime is 994609559. The reversal of 994609451 is 154906499.

It is a cyclic number.

It is not a de Polignac number, because 994609451 - 2¹⁰ = 994608427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994609396 and 994609405.

It is not an unprimeable number, because it can be changed into a prime (994609151) 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, 105491 + ... + 114531.

It is an arithmetic number, because the mean of its divisors is an integer number (69252678).

Almost surely, 2^994609451 is an apocalyptic number.

994609451 is a deficient number, since it is larger than the sum of its proper divisors (113433397).

994609451 is a wasteful number, since it uses less digits than its factorization.

994609451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 994609451 is about 31537.4293657552. The cubic root of 994609451 is about 998.1999119607.

The spelling of 994609451 in words is "nine hundred ninety-four million, six hundred nine thousand, four hundred fifty-one".