3850387 has 2 divisors, whose sum is σ = 3850388. Its totient is φ = 3850386.

The previous prime is 3850373. The next prime is 3850391. The reversal of 3850387 is 7830583.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3850387 is a prime.

It is an alternating number because its digits alternate between odd and even.

3850387 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3851387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925193 + 1925194.

It is an arithmetic number, because the mean of its divisors is an integer number (1925194).

Almost surely, 2^3850387 is an apocalyptic number.

3850387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3850387 is an equidigital number, since it uses as much as digits as its factorization.

3850387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3850387 is about 1962.2403012883. The cubic root of 3850387 is about 156.7357720383.

The spelling of 3850387 in words is "three million, eight hundred fifty thousand, three hundred eighty-seven".