1897448000 has 224 divisors, whose sum is σ = 5548627968. Its totient is φ = 628992000.

The previous prime is 1897447967. The next prime is 1897448029. The reversal of 1897448000 is 8447981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1735454 + ... + 1736546.

Almost surely, 2^1897448000 is an apocalyptic number.

1897448000 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 1897448000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774313984).

1897448000 is an abundant number, since it is smaller than the sum of its proper divisors (3651179968).

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

1897448000 is a wasteful number, since it uses less digits than its factorization.

1897448000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1897448000 is about 43559.7061514423. The cubic root of 1897448000 is about 1238.0075529147.

The spelling of 1897448000 in words is "one billion, eight hundred ninety-seven million, four hundred forty-eight thousand".