1898743214 has 16 divisors (see below), whose sum is σ = 2875397616. Its totient is φ = 940320000.

The previous prime is 1898743123. The next prime is 1898743229. The reversal of 1898743214 is 4123478981.

It is a super-2 number, since 2×1898743214² = 7210451585422099592, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80414 + ... + 101310.

It is an arithmetic number, because the mean of its divisors is an integer number (179712351).

Almost surely, 2^1898743214 is an apocalyptic number.

1898743214 is a deficient number, since it is larger than the sum of its proper divisors (976654402).

1898743214 is a wasteful number, since it uses less digits than its factorization.

1898743214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21331.

The product of its digits is 387072, while the sum is 47.

The square root of 1898743214 is about 43574.5707265143. The cubic root of 1898743214 is about 1238.2891803079.

The spelling of 1898743214 in words is "one billion, eight hundred ninety-eight million, seven hundred forty-three thousand, two hundred fourteen".