994261860 has 72 divisors (see below), whose sum is σ = 3023354880. Its totient is φ = 264483648.

The previous prime is 994261841. The next prime is 994261883. The reversal of 994261860 is 68162499.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68829 + ... + 82011.

It is an arithmetic number, because the mean of its divisors is an integer number (41991040).

Almost surely, 2^994261860 is an apocalyptic number.

994261860 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994261860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511677440).

994261860 is an abundant number, since it is smaller than the sum of its proper divisors (2029093020).

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

994261860 is a wasteful number, since it uses less digits than its factorization.

994261860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617 (or 13612 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 994261860 is about 31531.9181148245. The cubic root of 994261860 is about 998.0836164869.

The spelling of 994261860 in words is "nine hundred ninety-four million, two hundred sixty-one thousand, eight hundred sixty".