994041428 has 12 divisors (see below), whose sum is σ = 1739900820. Its totient is φ = 496926912.

The previous prime is 994041427. The next prime is 994041473. The reversal of 994041428 is 824140499.

It can be written as a sum of positive squares in 2 ways, for example, as 719741584 + 274299844 = 26828^2 + 16562^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994041427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3950 + ... + 44762.

It is an arithmetic number, because the mean of its divisors is an integer number (144991735).

Almost surely, 2^994041428 is an apocalyptic number.

It is an amenable number.

994041428 is a deficient number, since it is larger than the sum of its proper divisors (745859392).

994041428 is a wasteful number, since it uses less digits than its factorization.

994041428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46906 (or 46904 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 994041428 is about 31528.4225422078. The cubic root of 994041428 is about 998.0098512688.

The spelling of 994041428 in words is "nine hundred ninety-four million, forty-one thousand, four hundred twenty-eight".