452199938 has 4 divisors (see below), whose sum is σ = 678299910. Its totient is φ = 226099968.

The previous prime is 452199931. The next prime is 452199967. The reversal of 452199938 is 839991254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 451860049 + 339889 = 21257^2 + 583^2 .

It is not an unprimeable number, because it can be changed into a prime (452199931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113049983 + ... + 113049986.

Almost surely, 2^452199938 is an apocalyptic number.

452199938 is a deficient number, since it is larger than the sum of its proper divisors (226099972).

452199938 is a wasteful number, since it uses less digits than its factorization.

452199938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226099971.

The product of its digits is 699840, while the sum is 50.

The square root of 452199938 is about 21264.9932518212. The cubic root of 452199938 is about 767.5561682979.

The spelling of 452199938 in words is "four hundred fifty-two million, one hundred ninety-nine thousand, nine hundred thirty-eight".