1897253948 has 12 divisors (see below), whose sum is σ = 3321595200. Its totient is φ = 948226752.

The previous prime is 1897253947. The next prime is 1897253989. The reversal of 1897253948 is 8493527981.

It is a junction number, because it is equal to n+sod(n) for n = 1897253893 and 1897253902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897253947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89261 + ... + 108452.

It is an arithmetic number, because the mean of its divisors is an integer number (276799600).

Almost surely, 2^1897253948 is an apocalyptic number.

It is an amenable number.

1897253948 is a deficient number, since it is larger than the sum of its proper divisors (1424341252).

1897253948 is a wasteful number, since it uses less digits than its factorization.

1897253948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200116 (or 200114 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 1897253948 is about 43557.4786689955. The cubic root of 1897253948 is about 1237.9653477999.

The spelling of 1897253948 in words is "one billion, eight hundred ninety-seven million, two hundred fifty-three thousand, nine hundred forty-eight".