1694132928 has 56 divisors (see below), whose sum is σ = 4980442160. Its totient is φ = 564710400.

The previous prime is 1694132927. The next prime is 1694132939. The reversal of 1694132928 is 8292314961.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1694132927) 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, 488473 + ... + 491928.

Almost surely, 2^1694132928 is an apocalyptic number.

1694132928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1694132928 is an abundant number, since it is smaller than the sum of its proper divisors (3286309232).

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

1694132928 is an equidigital number, since it uses as much as digits as its factorization.

1694132928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980422 (or 980406 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1694132928 is about 41159.8460638521. The cubic root of 1694132928 is about 1192.1086188425.

The spelling of 1694132928 in words is "one billion, six hundred ninety-four million, one hundred thirty-two thousand, nine hundred twenty-eight".