1697949960 has 96 divisors (see below), whose sum is σ = 5925519360. Its totient is φ = 388101504.

The previous prime is 1697949947. The next prime is 1697949961. The reversal of 1697949960 is 699497961.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 1697949894 and 1697949903.

It is not an unprimeable number, because it can be changed into a prime (1697949961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138504 + ... + 150263.

It is an arithmetic number, because the mean of its divisors is an integer number (61724160).

Almost surely, 2^1697949960 is an apocalyptic number.

1697949960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1697949960 is an abundant number, since it is smaller than the sum of its proper divisors (4227569400).

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

1697949960 is a wasteful number, since it uses less digits than its factorization.

1697949960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288795 (or 288784 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 60.

The square root of 1697949960 is about 41206.1883701951. The cubic root of 1697949960 is about 1193.0032561559.

The spelling of 1697949960 in words is "one billion, six hundred ninety-seven million, nine hundred forty-nine thousand, nine hundred sixty".