8973819 has 6 divisors (see below), whose sum is σ = 12962196. Its totient is φ = 5982540.

The previous prime is 8973803. The next prime is 8973821. The reversal of 8973819 is 9183798.

It is not a de Polignac number, because 8973819 - 2⁴ = 8973803 is a prime.

It is a super-2 number, since 2×8973819² = 161058854889522, which contains 22 as substring.

It is an Ulam number.

8973819 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8973859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498537 + ... + 498554.

It is an arithmetic number, because the mean of its divisors is an integer number (2160366).

Almost surely, 2^8973819 is an apocalyptic number.

8973819 is a deficient number, since it is larger than the sum of its proper divisors (3988377).

8973819 is a wasteful number, since it uses less digits than its factorization.

8973819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997097 (or 997094 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 8973819 is about 2995.6333220206. The cubic root of 8973819 is about 207.8064876132.

The spelling of 8973819 in words is "eight million, nine hundred seventy-three thousand, eight hundred nineteen".