1238375436 has 12 divisors (see below), whose sum is σ = 2889542712. Its totient is φ = 412791808.

The previous prime is 1238375417. The next prime is 1238375441. The reversal of 1238375436 is 6345738321.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51598965 + ... + 51598988.

It is an arithmetic number, because the mean of its divisors is an integer number (240795226).

Almost surely, 2^1238375436 is an apocalyptic number.

It is an amenable number.

1238375436 is an abundant number, since it is smaller than the sum of its proper divisors (1651167276).

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

1238375436 is a wasteful number, since it uses less digits than its factorization.

1238375436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103197960 (or 103197958 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 1238375436 is about 35190.5589043425. The cubic root of 1238375436 is about 1073.8676913952.

The spelling of 1238375436 in words is "one billion, two hundred thirty-eight million, three hundred seventy-five thousand, four hundred thirty-six".