1898883434 has 8 divisors (see below), whose sum is σ = 3255228768. Its totient is φ = 813807180.

The previous prime is 1898883419. The next prime is 1898883461. The reversal of 1898883434 is 4343888981.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1898883434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67817252 + ... + 67817279.

It is an arithmetic number, because the mean of its divisors is an integer number (406903596).

Almost surely, 2^1898883434 is an apocalyptic number.

1898883434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1898883434 is a deficient number, since it is larger than the sum of its proper divisors (1356345334).

1898883434 is a wasteful number, since it uses less digits than its factorization.

1898883434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135634540.

The product of its digits is 5308416, while the sum is 56.

The square root of 1898883434 is about 43576.1796627469. The cubic root of 1898883434 is about 1238.3196616343.

The spelling of 1898883434 in words is "one billion, eight hundred ninety-eight million, eight hundred eighty-three thousand, four hundred thirty-four".