921000463 has 4 divisors (see below), whose sum is σ = 921110400. Its totient is φ = 920890528.

The previous prime is 921000403. The next prime is 921000497. The reversal of 921000463 is 364000129.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 921000463 - 2²¹ = 918903311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921000403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41263 + ... + 59536.

It is an arithmetic number, because the mean of its divisors is an integer number (230277600).

Almost surely, 2^921000463 is an apocalyptic number.

921000463 is a deficient number, since it is larger than the sum of its proper divisors (109937).

921000463 is a wasteful number, since it uses less digits than its factorization.

921000463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109936.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 921000463 is about 30347.9894391704. The cubic root of 921000463 is about 972.9412489124.

The spelling of 921000463 in words is "nine hundred twenty-one million, four hundred sixty-three", and thus it is an aban number.