18850933 has 2 divisors, whose sum is σ = 18850934. Its totient is φ = 18850932.

The previous prime is 18850927. The next prime is 18850967. The reversal of 18850933 is 33905881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 7941124 = 3303^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 18850933 - 2⁹ = 18850421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18850892 and 18850901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18850903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9425466 + 9425467.

It is an arithmetic number, because the mean of its divisors is an integer number (9425467).

Almost surely, 2^18850933 is an apocalyptic number.

It is an amenable number.

18850933 is a deficient number, since it is larger than the sum of its proper divisors (1).

18850933 is an equidigital number, since it uses as much as digits as its factorization.

18850933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 18850933 is about 4341.7661153038. The cubic root of 18850933 is about 266.1404886608.

The spelling of 18850933 in words is "eighteen million, eight hundred fifty thousand, nine hundred thirty-three".