1897048674 has 40 divisors (see below), whose sum is σ = 4256574300. Its totient is φ = 631489824.

The previous prime is 1897048669. The next prime is 1897048693. The reversal of 1897048674 is 4768407981.

It is a happy number.

1897048674 is a `hidden beast` number, since 1 + 8 + 97 + 0 + 486 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1848398049 + 48650625 = 42993^2 + 6975^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1897048674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 117652 + ... + 132800.

Almost surely, 2^1897048674 is an apocalyptic number.

1897048674 is an abundant number, since it is smaller than the sum of its proper divisors (2359525626).

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

1897048674 is a wasteful number, since it uses less digits than its factorization.

1897048674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15936 (or 15927 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 1897048674 is about 43555.1222475612. The cubic root of 1897048674 is about 1237.9206988369.

The spelling of 1897048674 in words is "one billion, eight hundred ninety-seven million, forty-eight thousand, six hundred seventy-four".