1898941212 has 48 divisors (see below), whose sum is σ = 5626494720. Its totient is φ = 542554416.

The previous prime is 1898941201. The next prime is 1898941223. The reversal of 1898941212 is 2121498981.

It is an interprime number because it is at equal distance from previous prime (1898941201) and next prime (1898941223).

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 15 ways as a sum of consecutive naturals, for example, 1255158 + ... + 1256669.

It is an arithmetic number, because the mean of its divisors is an integer number (117218640).

Almost surely, 2^1898941212 is an apocalyptic number.

1898941212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1898941212 is an abundant number, since it is smaller than the sum of its proper divisors (3727553508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1898941212 is a wasteful number, since it uses less digits than its factorization.

1898941212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511847 (or 2511839 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 1898941212 is about 43576.8426116441. The cubic root of 1898941212 is about 1238.3322211042.

The spelling of 1898941212 in words is "one billion, eight hundred ninety-eight million, nine hundred forty-one thousand, two hundred twelve".