1897454112 has 48 divisors (see below), whose sum is σ = 5027393952. Its totient is φ = 626570240.

The previous prime is 1897454089. The next prime is 1897454131. The reversal of 1897454112 is 2114547981.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82089 + ... + 102632.

It is an arithmetic number, because the mean of its divisors is an integer number (104737374).

Almost surely, 2^1897454112 is an apocalyptic number.

1897454112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1897454112 is an abundant number, since it is smaller than the sum of its proper divisors (3129939840).

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

1897454112 is a wasteful number, since it uses less digits than its factorization.

1897454112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184841 (or 184833 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 1897454112 is about 43559.7763079656. The cubic root of 1897454112 is about 1238.0088821903.

The spelling of 1897454112 in words is "one billion, eight hundred ninety-seven million, four hundred fifty-four thousand, one hundred twelve".