1538183382 has 32 divisors (see below), whose sum is σ = 3155673600. Its totient is φ = 499606368.

The previous prime is 1538183377. The next prime is 1538183407. The reversal of 1538183382 is 2833818351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52669 + ... + 76487.

It is an arithmetic number, because the mean of its divisors is an integer number (98614800).

Almost surely, 2^1538183382 is an apocalyptic number.

1538183382 is an abundant number, since it is smaller than the sum of its proper divisors (1617490218).

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

1538183382 is a wasteful number, since it uses less digits than its factorization.

1538183382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24100.

The product of its digits is 138240, while the sum is 42.

The square root of 1538183382 is about 39219.6810542870. The cubic root of 1538183382 is about 1154.3460956322.

The spelling of 1538183382 in words is "one billion, five hundred thirty-eight million, one hundred eighty-three thousand, three hundred eighty-two".