18865348 has 12 divisors (see below), whose sum is σ = 33556012. Its totient is φ = 9277920.

The previous prime is 18865331. The next prime is 18865351. The reversal of 18865348 is 84356881.

It can be written as a sum of positive squares in 2 ways, for example, as 5673924 + 13191424 = 2382^2 + 3632^2 .

It is a super-2 number, since 2×18865348² = 711802710322208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38415 + ... + 38902.

Almost surely, 2^18865348 is an apocalyptic number.

It is an amenable number.

18865348 is a deficient number, since it is larger than the sum of its proper divisors (14690664).

18865348 is a wasteful number, since it uses less digits than its factorization.

18865348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77382 (or 77380 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 18865348 is about 4343.4258368251. The cubic root of 18865348 is about 266.2083091356.

It can be divided in two parts, 188 and 65348, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 18865348 in words is "eighteen million, eight hundred sixty-five thousand, three hundred forty-eight".