3850247 has 2 divisors, whose sum is σ = 3850248. Its totient is φ = 3850246.

The previous prime is 3850241. The next prime is 3850267. The reversal of 3850247 is 7420583.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3850247 - 2¹⁸ = 3588103 is a prime.

It is a super-2 number, since 2×3850247² = 29648803922018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3850241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925123 + 1925124.

It is an arithmetic number, because the mean of its divisors is an integer number (1925124).

Almost surely, 2^3850247 is an apocalyptic number.

3850247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3850247 is an equidigital number, since it uses as much as digits as its factorization.

3850247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3850247 is about 1962.2046274535. The cubic root of 3850247 is about 156.7338723787.

The spelling of 3850247 in words is "three million, eight hundred fifty thousand, two hundred forty-seven".