452438386 has 8 divisors (see below), whose sum is σ = 679585644. Its totient is φ = 225909840.

The previous prime is 452438347. The next prime is 452438387. The reversal of 452438386 is 683834254.

It can be written as a sum of positive squares in 2 ways, for example, as 446012161 + 6426225 = 21119^2 + 2535^2 .

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

It is not an unprimeable number, because it can be changed into a prime (452438387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152845 + ... + 155776.

Almost surely, 2^452438386 is an apocalyptic number.

452438386 is a deficient number, since it is larger than the sum of its proper divisors (227147258).

452438386 is a wasteful number, since it uses less digits than its factorization.

452438386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309356.

The product of its digits is 552960, while the sum is 43.

The square root of 452438386 is about 21270.5990982859. The cubic root of 452438386 is about 767.6910570625.

The spelling of 452438386 in words is "four hundred fifty-two million, four hundred thirty-eight thousand, three hundred eighty-six".