452447394 has 16 divisors (see below), whose sum is σ = 1034165568. Its totient is φ = 129270672.

The previous prime is 452447383. The next prime is 452447417. The reversal of 452447394 is 493744254.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 10772557 = 452447394 / (4 + 5 + 2 + 4 + 4 + 7 + 3 + 9 + 4).

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 in 7 ways as a sum of consecutive naturals, for example, 5386237 + ... + 5386320.

It is an arithmetic number, because the mean of its divisors is an integer number (64635348).

Almost surely, 2^452447394 is an apocalyptic number.

452447394 is an abundant number, since it is smaller than the sum of its proper divisors (581718174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452447394 is a wasteful number, since it uses less digits than its factorization.

452447394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10772569.

The product of its digits is 483840, while the sum is 42.

The square root of 452447394 is about 21270.8108449114. The cubic root of 452447394 is about 767.6961519110.

The spelling of 452447394 in words is "four hundred fifty-two million, four hundred forty-seven thousand, three hundred ninety-four".