446993397 has 12 divisors (see below), whose sum is σ = 669570720. Its totient is φ = 297995436.

The previous prime is 446993387. The next prime is 446993399. The reversal of 446993397 is 793399644.

446993397 is a `hidden beast` number, since 4 + 469 + 93 + 3 + 97 = 666.

It is not a de Polignac number, because 446993397 - 2¹⁹ = 446469109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446993399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919497 + ... + 919982.

It is an arithmetic number, because the mean of its divisors is an integer number (55797560).

Almost surely, 2^446993397 is an apocalyptic number.

It is an amenable number.

446993397 is a deficient number, since it is larger than the sum of its proper divisors (222577323).

446993397 is an equidigital number, since it uses as much as digits as its factorization.

446993397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839494 (or 1839482 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 446993397 is about 21142.2183556977. The cubic root of 446993397 is about 764.5989593469.

The spelling of 446993397 in words is "four hundred forty-six million, nine hundred ninety-three thousand, three hundred ninety-seven".