463927921 has 16 divisors (see below), whose sum is σ = 504455040. Its totient is φ = 425243520.

The previous prime is 463927907. The next prime is 463927939. The reversal of 463927921 is 129729364.

It is a cyclic number.

It is not a de Polignac number, because 463927921 - 2⁵ = 463927889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463927991) 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, 70356 + ... + 76666.

It is an arithmetic number, because the mean of its divisors is an integer number (31528440).

Almost surely, 2^463927921 is an apocalyptic number.

It is an amenable number.

463927921 is a deficient number, since it is larger than the sum of its proper divisors (40527119).

463927921 is a wasteful number, since it uses less digits than its factorization.

463927921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456.

The product of its digits is 163296, while the sum is 43.

The square root of 463927921 is about 21538.9860717723. The cubic root of 463927921 is about 774.1352385615.

The spelling of 463927921 in words is "four hundred sixty-three million, nine hundred twenty-seven thousand, nine hundred twenty-one".