447730038 has 32 divisors (see below), whose sum is σ = 1137093120. Its totient is φ = 127922760.

The previous prime is 447730027. The next prime is 447730039. The reversal of 447730038 is 830037744.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 447729984 and 447730011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447730039) 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, 591858 + ... + 592613.

It is an arithmetic number, because the mean of its divisors is an integer number (35534160).

Almost surely, 2^447730038 is an apocalyptic number.

447730038 is an abundant number, since it is smaller than the sum of its proper divisors (689363082).

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

447730038 is a wasteful number, since it uses less digits than its factorization.

447730038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184489 (or 1184483 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 447730038 is about 21159.6322746876. The cubic root of 447730038 is about 765.0187461765.

The spelling of 447730038 in words is "four hundred forty-seven million, seven hundred thirty thousand, thirty-eight".