38233649 has 2 divisors, whose sum is σ = 38233650. Its totient is φ = 38233648.

The previous prime is 38233631. The next prime is 38233717. The reversal of 38233649 is 94633283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35188624 + 3045025 = 5932^2 + 1745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38233649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38233609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19116824 + 19116825.

It is an arithmetic number, because the mean of its divisors is an integer number (19116825).

Almost surely, 2^38233649 is an apocalyptic number.

It is an amenable number.

38233649 is a deficient number, since it is larger than the sum of its proper divisors (1).

38233649 is an equidigital number, since it uses as much as digits as its factorization.

38233649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 38233649 is about 6183.3363971241. The cubic root of 38233649 is about 336.8851877850.

The spelling of 38233649 in words is "thirty-eight million, two hundred thirty-three thousand, six hundred forty-nine".