1898284492 has 12 divisors (see below), whose sum is σ = 3577536256. Its totient is φ = 876131280.

The previous prime is 1898284489. The next prime is 1898284501. The reversal of 1898284492 is 2944828981.

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, 18252684 + ... + 18252787.

Almost surely, 2^1898284492 is an apocalyptic number.

It is an amenable number.

1898284492 is a deficient number, since it is larger than the sum of its proper divisors (1679251764).

1898284492 is a wasteful number, since it uses less digits than its factorization.

1898284492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36505488 (or 36505486 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 1898284492 is about 43569.3067651988. The cubic root of 1898284492 is about 1238.1894518428.

The spelling of 1898284492 in words is "one billion, eight hundred ninety-eight million, two hundred eighty-four thousand, four hundred ninety-two".