446679997 has 4 divisors (see below), whose sum is σ = 451016800. Its totient is φ = 442343196.

The previous prime is 446679979. The next prime is 446680007. The reversal of 446679997 is 799976644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 446679997 - 2¹⁹ = 446155709 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 (446679907) 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, 2168247 + ... + 2168452.

It is an arithmetic number, because the mean of its divisors is an integer number (112754200).

Almost surely, 2^446679997 is an apocalyptic number.

It is an amenable number.

446679997 is a deficient number, since it is larger than the sum of its proper divisors (4336803).

446679997 is a wasteful number, since it uses less digits than its factorization.

446679997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336802.

The product of its digits is 20575296, while the sum is 61.

The square root of 446679997 is about 21134.8053456851. The cubic root of 446679997 is about 764.4202234192.

The spelling of 446679997 in words is "four hundred forty-six million, six hundred seventy-nine thousand, nine hundred ninety-seven".