1835973897 has 8 divisors (see below), whose sum is σ = 2455940256. Its totient is φ = 1219995072.

The previous prime is 1835973863. The next prime is 1835973899. The reversal of 1835973897 is 7983795381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1835973897 - 2⁶ = 1835973833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1835973897.

It is not an unprimeable number, because it can be changed into a prime (1835973899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995808 + ... + 997649.

It is an arithmetic number, because the mean of its divisors is an integer number (306992532).

Almost surely, 2^1835973897 is an apocalyptic number.

It is an amenable number.

1835973897 is a deficient number, since it is larger than the sum of its proper divisors (619966359).

1835973897 is a wasteful number, since it uses less digits than its factorization.

1835973897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993767.

The product of its digits is 11430720, while the sum is 60.

The square root of 1835973897 is about 42848.2659742492. The cubic root of 1835973897 is about 1224.4907275279.

The spelling of 1835973897 in words is "one billion, eight hundred thirty-five million, nine hundred seventy-three thousand, eight hundred ninety-seven".