1694241928 has 8 divisors (see below), whose sum is σ = 3176703630. Its totient is φ = 847120960.

The previous prime is 1694241907. The next prime is 1694241929. The reversal of 1694241928 is 8291424961.

It can be written as a sum of positive squares in only one way, i.e., 1676247364 + 17994564 = 40942^2 + 4242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1694241929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105890113 + ... + 105890128.

Almost surely, 2^1694241928 is an apocalyptic number.

It is an amenable number.

1694241928 is a deficient number, since it is larger than the sum of its proper divisors (1482461702).

1694241928 is a wasteful number, since it uses less digits than its factorization.

1694241928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211780247 (or 211780243 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 1694241928 is about 41161.1701485757. The cubic root of 1694241928 is about 1192.1341849301.

The spelling of 1694241928 in words is "one billion, six hundred ninety-four million, two hundred forty-one thousand, nine hundred twenty-eight".