1926798898 has 4 divisors (see below), whose sum is σ = 2890198350. Its totient is φ = 963399448.

The previous prime is 1926798883. The next prime is 1926798899. The reversal of 1926798898 is 8988976291.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1866844849 + 59954049 = 43207^2 + 7743^2 .

It is not an unprimeable number, because it can be changed into a prime (1926798899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481699723 + ... + 481699726.

Almost surely, 2^1926798898 is an apocalyptic number.

1926798898 is a deficient number, since it is larger than the sum of its proper divisors (963399452).

1926798898 is an equidigital number, since it uses as much as digits as its factorization.

1926798898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963399451.

The product of its digits is 31352832, while the sum is 67.

The square root of 1926798898 is about 43895.3174951498. The cubic root of 1926798898 is about 1244.3583405568.

The spelling of 1926798898 in words is "one billion, nine hundred twenty-six million, seven hundred ninety-eight thousand, eight hundred ninety-eight".