3850569 has 12 divisors (see below), whose sum is σ = 5680896. Its totient is φ = 2512152.

The previous prime is 3850547. The next prime is 3850571. The reversal of 3850569 is 9650583.

It is not a de Polignac number, because 3850569 - 2²¹ = 1753417 is a prime.

It is a super-2 number, since 2×3850569² = 29653763247522, which contains 22 as substring.

It is an Ulam number.

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

It is not an unprimeable number, because it can be changed into a prime (3850589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4129 + ... + 4974.

It is an arithmetic number, because the mean of its divisors is an integer number (473408).

Almost surely, 2^3850569 is an apocalyptic number.

It is an amenable number.

3850569 is a deficient number, since it is larger than the sum of its proper divisors (1830327).

3850569 is a wasteful number, since it uses less digits than its factorization.

3850569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156 (or 9153 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 3850569 is about 1962.2866763039. The cubic root of 3850569 is about 156.7382415270.

The spelling of 3850569 in words is "three million, eight hundred fifty thousand, five hundred sixty-nine".