994240990 has 48 divisors (see below), whose sum is σ = 1860754896. Its totient is φ = 382475520.

The previous prime is 994240967. The next prime is 994241041. The reversal of 994240990 is 99042499.

It is a self number, because there is not a number n which added to its sum of digits gives 994240990.

It is a congruent number.

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, 2950102 + ... + 2950438.

It is an arithmetic number, because the mean of its divisors is an integer number (38765727).

Almost surely, 2^994240990 is an apocalyptic number.

994240990 is a deficient number, since it is larger than the sum of its proper divisors (866513906).

994240990 is a wasteful number, since it uses less digits than its factorization.

994240990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 994240990 is about 31531.5871785738. The cubic root of 994240990 is about 998.0766330312.

It can be divided in two parts, 9942409 and 90, that added together give a palindrome (9942499).

The spelling of 994240990 in words is "nine hundred ninety-four million, two hundred forty thousand, nine hundred ninety".