8940463 has 4 divisors (see below), whose sum is σ = 10217680. Its totient is φ = 7663248.

The previous prime is 8940461. The next prime is 8940479. The reversal of 8940463 is 3640498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3640498 = 2 ⋅1820249.

It is a cyclic number.

It is not a de Polignac number, because 8940463 - 2¹ = 8940461 is a prime.

It is a Duffinian number.

8940463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8940461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638598 + ... + 638611.

It is an arithmetic number, because the mean of its divisors is an integer number (2554420).

Almost surely, 2^8940463 is an apocalyptic number.

8940463 is a deficient number, since it is larger than the sum of its proper divisors (1277217).

8940463 is a wasteful number, since it uses less digits than its factorization.

8940463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277216.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 8940463 is about 2990.0607017250. The cubic root of 8940463 is about 207.5486932707.

The spelling of 8940463 in words is "eight million, nine hundred forty thousand, four hundred sixty-three".