3850145 has 8 divisors (see below), whose sum is σ = 4975656. Its totient is φ = 2843136.

The previous prime is 3850129. The next prime is 3850151. The reversal of 3850145 is 5410583.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 3845521 = 68^2 + 1961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3850145 - 2⁴ = 3850129 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29552 + ... + 29681.

It is an arithmetic number, because the mean of its divisors is an integer number (621957).

Almost surely, 2^3850145 is an apocalyptic number.

It is an amenable number.

3850145 is a deficient number, since it is larger than the sum of its proper divisors (1125511).

3850145 is a wasteful number, since it uses less digits than its factorization.

3850145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59251.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 3850145 is about 1962.1786361083. The cubic root of 3850145 is about 156.7324883120.

The spelling of 3850145 in words is "three million, eight hundred fifty thousand, one hundred forty-five".