1897669048 has 32 divisors (see below), whose sum is σ = 3906347760. Its totient is φ = 857076480.

The previous prime is 1897669031. The next prime is 1897669079. The reversal of 1897669048 is 8409667981.

It is a super-2 number, since 2×1897669048² = 7202295631474452608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1897668983 and 1897669001.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 54861 + ... + 82492.

Almost surely, 2^1897669048 is an apocalyptic number.

It is an amenable number.

1897669048 is an abundant number, since it is smaller than the sum of its proper divisors (2008678712).

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

1897669048 is a wasteful number, since it uses less digits than its factorization.

1897669048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137527 (or 137523 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 1897669048 is about 43562.2433765755. The cubic root of 1897669048 is about 1238.0556259875.

The spelling of 1897669048 in words is "one billion, eight hundred ninety-seven million, six hundred sixty-nine thousand, forty-eight".