18930627 has 6 divisors (see below), whose sum is σ = 27344252. Its totient is φ = 12620412.

The previous prime is 18930623. The next prime is 18930641. The reversal of 18930627 is 72603981.

It is not a de Polignac number, because 18930627 - 2² = 18930623 is a prime.

It is a super-2 number, since 2×18930627² = 716737277226258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18930591 and 18930600.

It is not an unprimeable number, because it can be changed into a prime (18930623) 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, 1051693 + ... + 1051710.

Almost surely, 2^18930627 is an apocalyptic number.

18930627 is a deficient number, since it is larger than the sum of its proper divisors (8413625).

18930627 is a wasteful number, since it uses less digits than its factorization.

18930627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103409 (or 2103406 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 18930627 is about 4350.9340376521. The cubic root of 18930627 is about 266.5150056026.

It can be divided in two parts, 189 and 30627, that multiplied together give a triangular number (5788503 = T₃₄₀₂).

The spelling of 18930627 in words is "eighteen million, nine hundred thirty thousand, six hundred twenty-seven".