447497401 has 4 divisors (see below), whose sum is σ = 481920292. Its totient is φ = 413074512.

The previous prime is 447497399. The next prime is 447497419. The reversal of 447497401 is 104794744.

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 32764176 + 414733225 = 5724^2 + 20365^2 .

It is a cyclic number.

It is not a de Polignac number, because 447497401 - 2¹ = 447497399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447497461) 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, 17211426 + ... + 17211451.

It is an arithmetic number, because the mean of its divisors is an integer number (120480073).

Almost surely, 2^447497401 is an apocalyptic number.

It is an amenable number.

447497401 is a deficient number, since it is larger than the sum of its proper divisors (34422891).

447497401 is a wasteful number, since it uses less digits than its factorization.

447497401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34422890.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 447497401 is about 21154.1343713233. The cubic root of 447497401 is about 764.8862239838.

The spelling of 447497401 in words is "four hundred forty-seven million, four hundred ninety-seven thousand, four hundred one".