447149896 has 8 divisors (see below), whose sum is σ = 838406070. Its totient is φ = 223574944.

The previous prime is 447149839. The next prime is 447149903. The reversal of 447149896 is 698941744.

It can be written as a sum of positive squares in only one way, i.e., 407636100 + 39513796 = 20190^2 + 6286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27946861 + ... + 27946876.

Almost surely, 2^447149896 is an apocalyptic number.

It is an amenable number.

447149896 is a deficient number, since it is larger than the sum of its proper divisors (391256174).

447149896 is a wasteful number, since it uses less digits than its factorization.

447149896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55893743 (or 55893739 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 447149896 is about 21145.9191334877. The cubic root of 447149896 is about 764.6881814035.

The spelling of 447149896 in words is "four hundred forty-seven million, one hundred forty-nine thousand, eight hundred ninety-six".