1897461434 has 8 divisors (see below), whose sum is σ = 3104936928. Its totient is φ = 862482460.

The previous prime is 1897461413. The next prime is 1897461457. The reversal of 1897461434 is 4341647981.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43124102 + ... + 43124145.

It is an arithmetic number, because the mean of its divisors is an integer number (388117116).

Almost surely, 2^1897461434 is an apocalyptic number.

1897461434 is a deficient number, since it is larger than the sum of its proper divisors (1207475494).

1897461434 is a wasteful number, since it uses less digits than its factorization.

1897461434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86248260.

The product of its digits is 580608, while the sum is 47.

The square root of 1897461434 is about 43559.8603533115. The cubic root of 1897461434 is about 1238.0104746204.

It can be divided in two parts, 18974 and 61434, that added together give a palindrome (80408).

The spelling of 1897461434 in words is "one billion, eight hundred ninety-seven million, four hundred sixty-one thousand, four hundred thirty-four".