1238497036 has 24 divisors (see below), whose sum is σ = 2487823520. Its totient is φ = 528463872.

The previous prime is 1238497009. The next prime is 1238497037. The reversal of 1238497036 is 6307948321.

It is a junction number, because it is equal to n+sod(n) for n = 1238496983 and 1238497001.

It is not an unprimeable number, because it can be changed into a prime (1238497037) 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, 90165 + ... + 102988.

Almost surely, 2^1238497036 is an apocalyptic number.

It is an amenable number.

1238497036 is an abundant number, since it is smaller than the sum of its proper divisors (1249326484).

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

1238497036 is a wasteful number, since it uses less digits than its factorization.

1238497036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193393 (or 193391 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1238497036 is about 35192.2865980601. The cubic root of 1238497036 is about 1073.9028390663.

The spelling of 1238497036 in words is "one billion, two hundred thirty-eight million, four hundred ninety-seven thousand, thirty-six".