38233189 has 2 divisors, whose sum is σ = 38233190. Its totient is φ = 38233188.

The previous prime is 38233183. The next prime is 38233213. The reversal of 38233189 is 98133283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31730689 + 6502500 = 5633^2 + 2550^2 .

It is an emirp because it is prime and its reverse (98133283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38233189 is a prime.

It is a super-2 number, since 2×38233189² = 2923553482219442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38233183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19116594 + 19116595.

It is an arithmetic number, because the mean of its divisors is an integer number (19116595).

Almost surely, 2^38233189 is an apocalyptic number.

It is an amenable number.

38233189 is a deficient number, since it is larger than the sum of its proper divisors (1).

38233189 is an equidigital number, since it uses as much as digits as its factorization.

38233189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 38233189 is about 6183.2992002652. The cubic root of 38233189 is about 336.8838367255.

The spelling of 38233189 in words is "thirty-eight million, two hundred thirty-three thousand, one hundred eighty-nine".