452381938 has 8 divisors (see below), whose sum is σ = 679543020. Its totient is φ = 225867600.

The previous prime is 452381911. The next prime is 452381953. The reversal of 452381938 is 839183254.

It can be written as a sum of positive squares in 2 ways, for example, as 440706049 + 11675889 = 20993^2 + 3417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 452381894 and 452381903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159933 + ... + 162736.

Almost surely, 2^452381938 is an apocalyptic number.

452381938 is a deficient number, since it is larger than the sum of its proper divisors (227161082).

452381938 is a wasteful number, since it uses less digits than its factorization.

452381938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323372.

The product of its digits is 207360, while the sum is 43.

The square root of 452381938 is about 21269.2721549187. The cubic root of 452381938 is about 767.6591290119.

The spelling of 452381938 in words is "four hundred fifty-two million, three hundred eighty-one thousand, nine hundred thirty-eight".