452437394 has 4 divisors (see below), whose sum is σ = 678656094. Its totient is φ = 226218696.

The previous prime is 452437379. The next prime is 452437411. The reversal of 452437394 is 493734254.

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., 452200225 + 237169 = 21265^2 + 487^2 .

It is a super-2 number, since 2×452437394² = 409399190979022472, which contains 22 as substring.

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, 113109347 + ... + 113109350.

Almost surely, 2^452437394 is an apocalyptic number.

452437394 is a deficient number, since it is larger than the sum of its proper divisors (226218700).

452437394 is a wasteful number, since it uses less digits than its factorization.

452437394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226218699.

The product of its digits is 362880, while the sum is 41.

The square root of 452437394 is about 21270.5757797009. The cubic root of 452437394 is about 767.6904959916.

The spelling of 452437394 in words is "four hundred fifty-two million, four hundred thirty-seven thousand, three hundred ninety-four".