994332642 has 16 divisors (see below), whose sum is σ = 2075129280. Its totient is φ = 317033552.

The previous prime is 994332641. The next prime is 994332659. The reversal of 994332642 is 246233499.

It is a junction number, because it is equal to n+sod(n) for n = 994332594 and 994332603.

It is not an unprimeable number, because it can be changed into a prime (994332641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602517 + ... + 3602792.

It is an arithmetic number, because the mean of its divisors is an integer number (129695580).

Almost surely, 2^994332642 is an apocalyptic number.

994332642 is an abundant number, since it is smaller than the sum of its proper divisors (1080796638).

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

994332642 is a wasteful number, since it uses less digits than its factorization.

994332642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205337.

The product of its digits is 279936, while the sum is 42.

The square root of 994332642 is about 31533.0404813745. The cubic root of 994332642 is about 998.1073006158.

The spelling of 994332642 in words is "nine hundred ninety-four million, three hundred thirty-two thousand, six hundred forty-two".