1697398152 has 16 divisors (see below), whose sum is σ = 4243495440. Its totient is φ = 565799376.

The previous prime is 1697398093. The next prime is 1697398169. The reversal of 1697398152 is 2518937961.

It is a junction number, because it is equal to n+sod(n) for n = 1697398095 and 1697398104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35362438 + ... + 35362485.

It is an arithmetic number, because the mean of its divisors is an integer number (265218465).

Almost surely, 2^1697398152 is an apocalyptic number.

1697398152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1697398152 is an abundant number, since it is smaller than the sum of its proper divisors (2546097288).

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

1697398152 is a wasteful number, since it uses less digits than its factorization.

1697398152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70724932 (or 70724928 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 1697398152 is about 41199.4921327921. The cubic root of 1697398152 is about 1192.8740061618.

The spelling of 1697398152 in words is "one billion, six hundred ninety-seven million, three hundred ninety-eight thousand, one hundred fifty-two".