1898146396 has 24 divisors (see below), whose sum is σ = 3438655920. Its totient is φ = 915718272.

The previous prime is 1898146391. The next prime is 1898146403. The reversal of 1898146396 is 6936418981.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898146391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195120 + ... + 204616.

It is an arithmetic number, because the mean of its divisors is an integer number (143277330).

Almost surely, 2^1898146396 is an apocalyptic number.

It is an amenable number.

1898146396 is a deficient number, since it is larger than the sum of its proper divisors (1540509524).

1898146396 is a wasteful number, since it uses less digits than its factorization.

1898146396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11253 (or 11251 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The square root of 1898146396 is about 43567.7219510040. The cubic root of 1898146396 is about 1238.1594259329.

The spelling of 1898146396 in words is "one billion, eight hundred ninety-eight million, one hundred forty-six thousand, three hundred ninety-six".