446452661 has 4 divisors (see below), whose sum is σ = 446579052. Its totient is φ = 446326272.

The previous prime is 446452639. The next prime is 446452663. The reversal of 446452661 is 166254644.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58599025 + 387853636 = 7655^2 + 19694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446452661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446452663) 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, 57740 + ... + 65013.

It is an arithmetic number, because the mean of its divisors is an integer number (111644763).

Almost surely, 2^446452661 is an apocalyptic number.

It is an amenable number.

446452661 is a deficient number, since it is larger than the sum of its proper divisors (126391).

446452661 is a wasteful number, since it uses less digits than its factorization.

446452661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126390.

The product of its digits is 138240, while the sum is 38.

The square root of 446452661 is about 21129.4264238289. The cubic root of 446452661 is about 764.2905185395.

The spelling of 446452661 in words is "four hundred forty-six million, four hundred fifty-two thousand, six hundred sixty-one".