446390121 has 4 divisors (see below), whose sum is σ = 595186832. Its totient is φ = 297593412.

The previous prime is 446390117. The next prime is 446390149. The reversal of 446390121 is 121093644.

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 not a de Polignac number, because 446390121 - 2² = 446390117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (446390101) 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, 74398351 + ... + 74398356.

It is an arithmetic number, because the mean of its divisors is an integer number (148796708).

Almost surely, 2^446390121 is an apocalyptic number.

It is an amenable number.

446390121 is a deficient number, since it is larger than the sum of its proper divisors (148796711).

446390121 is a wasteful number, since it uses less digits than its factorization.

446390121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148796710.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 446390121 is about 21127.9464454073. The cubic root of 446390121 is about 764.2548290810.

The spelling of 446390121 in words is "four hundred forty-six million, three hundred ninety thousand, one hundred twenty-one".