1898115356 has 12 divisors (see below), whose sum is σ = 3327462768. Its totient is φ = 947411712.

The previous prime is 1898115347. The next prime is 1898115389. The reversal of 1898115356 is 6535118981.

It is a self number, because there is not a number n which added to its sum of digits gives 1898115356.

It is a congruent number.

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, 408896 + ... + 413511.

It is an arithmetic number, because the mean of its divisors is an integer number (277288564).

Almost surely, 2^1898115356 is an apocalyptic number.

It is an amenable number.

1898115356 is a deficient number, since it is larger than the sum of its proper divisors (1429347412).

1898115356 is a wasteful number, since it uses less digits than its factorization.

1898115356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822988 (or 822986 counting only the distinct ones).

The product of its digits is 259200, while the sum is 47.

The square root of 1898115356 is about 43567.3657225222. The cubic root of 1898115356 is about 1238.1526767735.

The spelling of 1898115356 in words is "one billion, eight hundred ninety-eight million, one hundred fifteen thousand, three hundred fifty-six".