994311380 has 24 divisors (see below), whose sum is σ = 2114488320. Its totient is φ = 392689440.

The previous prime is 994311379. The next prime is 994311431. The reversal of 994311380 is 83113499.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313076 + ... + 316235.

It is an arithmetic number, because the mean of its divisors is an integer number (88103680).

Almost surely, 2^994311380 is an apocalyptic number.

It is an amenable number.

994311380 is an abundant number, since it is smaller than the sum of its proper divisors (1120176940).

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

994311380 is a wasteful number, since it uses less digits than its factorization.

994311380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629399 (or 629397 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 994311380 is about 31532.7033411346. The cubic root of 994311380 is about 998.1001863270.

The spelling of 994311380 in words is "nine hundred ninety-four million, three hundred eleven thousand, three hundred eighty".