1906338452 has 12 divisors (see below), whose sum is σ = 3532333140. Its totient is φ = 897100416.

The previous prime is 1906338449. The next prime is 1906338541. The reversal of 1906338452 is 2548336091.

It can be written as a sum of positive squares in 2 ways, for example, as 1316528656 + 589809796 = 36284^2 + 24286^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14017127 + ... + 14017262.

It is an arithmetic number, because the mean of its divisors is an integer number (294361095).

Almost surely, 2^1906338452 is an apocalyptic number.

It is an amenable number.

1906338452 is a deficient number, since it is larger than the sum of its proper divisors (1625994688).

1906338452 is a wasteful number, since it uses less digits than its factorization.

1906338452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28034410 (or 28034408 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1906338452 is about 43661.6359290396. The cubic root of 1906338452 is about 1239.9380935102.

The spelling of 1906338452 in words is "one billion, nine hundred six million, three hundred thirty-eight thousand, four hundred fifty-two".