1238268898 has 8 divisors (see below), whose sum is σ = 1917319680. Its totient is φ = 599162340.

The previous prime is 1238268859. The next prime is 1238268901. The reversal of 1238268898 is 8988628321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9985978 + ... + 9986101.

It is an arithmetic number, because the mean of its divisors is an integer number (239664960).

Almost surely, 2^1238268898 is an apocalyptic number.

1238268898 is a deficient number, since it is larger than the sum of its proper divisors (679050782).

1238268898 is a wasteful number, since it uses less digits than its factorization.

1238268898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19972112.

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

The square root of 1238268898 is about 35189.0451419188. The cubic root of 1238268898 is about 1073.8368954040.

The spelling of 1238268898 in words is "one billion, two hundred thirty-eight million, two hundred sixty-eight thousand, eight hundred ninety-eight".