1106432638 has 4 divisors (see below), whose sum is σ = 1659648960. Its totient is φ = 553216318.

The previous prime is 1106432627. The next prime is 1106432647. The reversal of 1106432638 is 8362346011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8362346011 = 29 ⋅288356759.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276608158 + ... + 276608161.

It is an arithmetic number, because the mean of its divisors is an integer number (414912240).

Almost surely, 2^1106432638 is an apocalyptic number.

1106432638 is a deficient number, since it is larger than the sum of its proper divisors (553216322).

1106432638 is an equidigital number, since it uses as much as digits as its factorization.

1106432638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553216321.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1106432638 is about 33263.0822083583. The cubic root of 1106432638 is about 1034.2884131486.

Adding to 1106432638 its reverse (8362346011), we get a palindrome (9468778649).

The spelling of 1106432638 in words is "one billion, one hundred six million, four hundred thirty-two thousand, six hundred thirty-eight".