1697349312 has 84 divisors (see below), whose sum is σ = 4876723800. Its totient is φ = 564436992.

The previous prime is 1697349299. The next prime is 1697349337. The reversal of 1697349312 is 2139437961.

1697349312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255343 + ... + 261905.

Almost surely, 2^1697349312 is an apocalyptic number.

1697349312 is a gapful number since it is divisible by the number (12) 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 1697349312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2438361900).

1697349312 is an abundant number, since it is smaller than the sum of its proper divisors (3179374488).

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

1697349312 is a wasteful number, since it uses less digits than its factorization.

1697349312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7017 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1697349312 is about 41198.8994027753. The cubic root of 1697349312 is about 1192.8625650187.

The spelling of 1697349312 in words is "one billion, six hundred ninety-seven million, three hundred forty-nine thousand, three hundred twelve".