994481279 has 16 divisors (see below), whose sum is σ = 1096243200. Its totient is φ = 894660000.

The previous prime is 994481273. The next prime is 994481287. The reversal of 994481279 is 972184499.

It is a cyclic number.

It is not a de Polignac number, because 994481279 - 2¹⁶ = 994415743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 994481279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994481273) 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, 508754 + ... + 510704.

It is an arithmetic number, because the mean of its divisors is an integer number (68515200).

Almost surely, 2^994481279 is an apocalyptic number.

994481279 is a deficient number, since it is larger than the sum of its proper divisors (101761921).

994481279 is a wasteful number, since it uses less digits than its factorization.

994481279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422.

The product of its digits is 1306368, while the sum is 53.

The square root of 994481279 is about 31535.3972386587. The cubic root of 994481279 is about 998.1570318884.

The spelling of 994481279 in words is "nine hundred ninety-four million, four hundred eighty-one thousand, two hundred seventy-nine".