994279956 has 48 divisors (see below), whose sum is σ = 2466327360. Its totient is φ = 310867200.

The previous prime is 994279919. The next prime is 994279967. The reversal of 994279956 is 659972499.

It is a self number, because there is not a number n which added to its sum of digits gives 994279956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440 + ... + 44616.

It is an arithmetic number, because the mean of its divisors is an integer number (51381820).

Almost surely, 2^994279956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994279956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233163680).

994279956 is an abundant number, since it is smaller than the sum of its proper divisors (1472047404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994279956 is a wasteful number, since it uses less digits than its factorization.

994279956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43304 (or 43302 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 60.

The square root of 994279956 is about 31532.2050608580. The cubic root of 994279956 is about 998.0896716360.

It can be divided in two parts, 9942 and 79956, that added together give a palindrome (89898).

The spelling of 994279956 in words is "nine hundred ninety-four million, two hundred seventy-nine thousand, nine hundred fifty-six".