446664494 has 16 divisors (see below), whose sum is σ = 709851600. Its totient is φ = 210063744.

The previous prime is 446664487. The next prime is 446664497. The reversal of 446664494 is 494466644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446664497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71072 + ... + 77100.

It is an arithmetic number, because the mean of its divisors is an integer number (44365725).

Almost surely, 2^446664494 is an apocalyptic number.

446664494 is a deficient number, since it is larger than the sum of its proper divisors (263187106).

446664494 is a wasteful number, since it uses less digits than its factorization.

446664494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227.

The product of its digits is 1990656, while the sum is 47.

The square root of 446664494 is about 21134.4385778284. The cubic root of 446664494 is about 764.4113796952.

The spelling of 446664494 in words is "four hundred forty-six million, six hundred sixty-four thousand, four hundred ninety-four".