1897336896 has 336 divisors, whose sum is σ = 6440740992. Its totient is φ = 479969280.

The previous prime is 1897336879. The next prime is 1897336897. The reversal of 1897336896 is 6986337981.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (1897336897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16790536 + ... + 16790648.

It is an arithmetic number, because the mean of its divisors is an integer number (19168872).

Almost surely, 2^1897336896 is an apocalyptic number.

1897336896 is a gapful number since it is divisible by the number (16) 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 1897336896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3220370496).

1897336896 is an abundant number, since it is smaller than the sum of its proper divisors (4543404096).

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

1897336896 is a wasteful number, since it uses less digits than its factorization.

1897336896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 169 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 60.

The square root of 1897336896 is about 43558.4308257311. The cubic root of 1897336896 is about 1237.9833888312.

The spelling of 1897336896 in words is "one billion, eight hundred ninety-seven million, three hundred thirty-six thousand, eight hundred ninety-six".