1238454948 has 48 divisors (see below), whose sum is σ = 2923018560. Its totient is φ = 408081024.

The previous prime is 1238454937. The next prime is 1238454961. The reversal of 1238454948 is 8494548321.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1238454897 and 1238454906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766990 + ... + 768602.

It is an arithmetic number, because the mean of its divisors is an integer number (60896220).

Almost surely, 2^1238454948 is an apocalyptic number.

It is an amenable number.

1238454948 is an abundant number, since it is smaller than the sum of its proper divisors (1684563612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238454948 is a wasteful number, since it uses less digits than its factorization.

1238454948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2314 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 1238454948 is about 35191.6886210366. The cubic root of 1238454948 is about 1073.8906740702.

The spelling of 1238454948 in words is "one billion, two hundred thirty-eight million, four hundred fifty-four thousand, nine hundred forty-eight".