3850345 has 4 divisors (see below), whose sum is σ = 4620420. Its totient is φ = 3080272.

The previous prime is 3850339. The next prime is 3850373. The reversal of 3850345 is 5430583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 946729 + 2903616 = 973^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850345 - 2¹⁷ = 3719273 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385030 + ... + 385039.

It is an arithmetic number, because the mean of its divisors is an integer number (1155105).

Almost surely, 2^3850345 is an apocalyptic number.

It is an amenable number.

3850345 is a deficient number, since it is larger than the sum of its proper divisors (770075).

3850345 is an equidigital number, since it uses as much as digits as its factorization.

3850345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770074.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3850345 is about 1962.2295992060. The cubic root of 3850345 is about 156.7352021452.

The spelling of 3850345 in words is "three million, eight hundred fifty thousand, three hundred forty-five".