994639360 has 360 divisors, whose sum is σ = 2987855640. Its totient is φ = 316293120.

The previous prime is 994639357. The next prime is 994639403. The reversal of 994639360 is 63936499.

It is a super-2 number, since 2×994639360² = 1978614912922419200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52349431 + ... + 52349449.

It is an arithmetic number, because the mean of its divisors is an integer number (8299599).

Almost surely, 2^994639360 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 994639360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493927820).

994639360 is an abundant number, since it is smaller than the sum of its proper divisors (1993216280).

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

994639360 is a wasteful number, since it uses less digits than its factorization.

994639360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 49.

The square root of 994639360 is about 31537.9035447824. The cubic root of 994639360 is about 998.2099175167.

The spelling of 994639360 in words is "nine hundred ninety-four million, six hundred thirty-nine thousand, three hundred sixty".