1696427920 has 160 divisors (see below), whose sum is σ = 4558815360. Its totient is φ = 580608000.

The previous prime is 1696427899. The next prime is 1696427923. The reversal of 1696427920 is 297246961.

It is not an unprimeable number, because it can be changed into a prime (1696427923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4029310 + ... + 4029730.

It is an arithmetic number, because the mean of its divisors is an integer number (28492596).

Almost surely, 2^1696427920 is an apocalyptic number.

1696427920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1696427920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279407680).

1696427920 is an abundant number, since it is smaller than the sum of its proper divisors (2862387440).

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

1696427920 is a wasteful number, since it uses less digits than its factorization.

1696427920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1696427920 is about 41187.7156443520. The cubic root of 1696427920 is about 1192.6466807662.

The spelling of 1696427920 in words is "one billion, six hundred ninety-six million, four hundred twenty-seven thousand, nine hundred twenty".