1898013356 has 12 divisors (see below), whose sum is σ = 3355766568. Its totient is φ = 939222912.

The previous prime is 1898013323. The next prime is 1898013371. The reversal of 1898013356 is 6533108981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445506 + ... + 2446281.

It is an arithmetic number, because the mean of its divisors is an integer number (279647214).

Almost surely, 2^1898013356 is an apocalyptic number.

It is an amenable number.

1898013356 is a deficient number, since it is larger than the sum of its proper divisors (1457753212).

1898013356 is a wasteful number, since it uses less digits than its factorization.

1898013356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891888 (or 4891886 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1898013356 is about 43566.1951058387. The cubic root of 1898013356 is about 1238.1304979607.

The spelling of 1898013356 in words is "one billion, eight hundred ninety-eight million, thirteen thousand, three hundred fifty-six".