1238038452 has 48 divisors (see below), whose sum is σ = 3668264320. Its totient is φ = 353725056.

The previous prime is 1238038409. The next prime is 1238038453. The reversal of 1238038452 is 2548308321.

1238038452 is a `hidden beast` number, since 123 + 80 + 3 + 8 + 452 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238038453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818053 + ... + 819564.

Almost surely, 2^1238038452 is an apocalyptic number.

1238038452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238038452 is an abundant number, since it is smaller than the sum of its proper divisors (2430225868).

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

1238038452 is a wasteful number, since it uses less digits than its factorization.

1238038452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637637 (or 1637629 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1238038452 is about 35185.7705898279. The cubic root of 1238038452 is about 1073.7702763871.

The spelling of 1238038452 in words is "one billion, two hundred thirty-eight million, thirty-eight thousand, four hundred fifty-two".