8918019 has 20 divisors (see below), whose sum is σ = 14534520. Its totient is φ = 5404320.

The previous prime is 8918003. The next prime is 8918023. The reversal of 8918019 is 9108198.

It is not a de Polignac number, because 8918019 - 2⁴ = 8918003 is a prime.

It is a super-2 number, since 2×8918019² = 159062125768722, which contains 22 as substring.

8918019 is a modest number, since divided by 8019 gives 891 as remainder.

It is not an unprimeable number, because it can be changed into a prime (8918029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4114 + ... + 5895.

It is an arithmetic number, because the mean of its divisors is an integer number (726726).

Almost surely, 2^8918019 is an apocalyptic number.

8918019 is a deficient number, since it is larger than the sum of its proper divisors (5616501).

8918019 is a wasteful number, since it uses less digits than its factorization.

8918019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 8918019 is about 2986.3052422684. The cubic root of 8918019 is about 207.3748720606.

It can be divided in two parts, 891 and 8019, that multiplied together give a square (7144929 = 2673²).

The spelling of 8918019 in words is "eight million, nine hundred eighteen thousand, nineteen".