452921839 has 4 divisors (see below), whose sum is σ = 455068600. Its totient is φ = 450775080.

The previous prime is 452921831. The next prime is 452921893. The reversal of 452921839 is 938129254.

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

It is a cyclic number.

It is not a de Polignac number, because 452921839 - 2³ = 452921831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452921795 and 452921804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452921831) 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, 1073064 + ... + 1073485.

It is an arithmetic number, because the mean of its divisors is an integer number (113767150).

Almost surely, 2^452921839 is an apocalyptic number.

452921839 is a deficient number, since it is larger than the sum of its proper divisors (2146761).

452921839 is a wasteful number, since it uses less digits than its factorization.

452921839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146760.

The product of its digits is 155520, while the sum is 43.

The square root of 452921839 is about 21281.9604125184. The cubic root of 452921839 is about 767.9643984645.

The spelling of 452921839 in words is "four hundred fifty-two million, nine hundred twenty-one thousand, eight hundred thirty-nine".