446920387 has 8 divisors (see below), whose sum is σ = 449590496. Its totient is φ = 444258432.

The previous prime is 446920379. The next prime is 446920403. The reversal of 446920387 is 783029644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 446920387 - 2³ = 446920379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446720387) 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, 133243 + ... + 136555.

It is an arithmetic number, because the mean of its divisors is an integer number (56198812).

Almost surely, 2^446920387 is an apocalyptic number.

446920387 is a deficient number, since it is larger than the sum of its proper divisors (2670109).

446920387 is a wasteful number, since it uses less digits than its factorization.

446920387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 446920387 is about 21140.4916451818. The cubic root of 446920387 is about 764.5573282997.

The spelling of 446920387 in words is "four hundred forty-six million, nine hundred twenty thousand, three hundred eighty-seven".