446645346 has 32 divisors (see below), whose sum is σ = 1022226048. Its totient is φ = 127447680.

The previous prime is 446645299. The next prime is 446645347. The reversal of 446645346 is 643546644.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 446645298 and 446645307.

It is not an unprimeable number, because it can be changed into a prime (446645347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28006 + ... + 40958.

It is an arithmetic number, because the mean of its divisors is an integer number (31944564).

Almost surely, 2^446645346 is an apocalyptic number.

446645346 is an abundant number, since it is smaller than the sum of its proper divisors (575580702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

446645346 is a wasteful number, since it uses less digits than its factorization.

446645346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13786.

The product of its digits is 829440, while the sum is 42.

The square root of 446645346 is about 21133.9855682737. The cubic root of 446645346 is about 764.4004563897.

The spelling of 446645346 in words is "four hundred forty-six million, six hundred forty-five thousand, three hundred forty-six".