3850545 has 16 divisors (see below), whose sum is σ = 6429312. Its totient is φ = 1964160.

The previous prime is 3850507. The next prime is 3850547. The reversal of 3850545 is 5450583.

It is not a de Polignac number, because 3850545 - 2⁶ = 3850481 is a prime.

It is an Ulam number.

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

3850545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3850547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5236 + ... + 5925.

It is an arithmetic number, because the mean of its divisors is an integer number (401832).

Almost surely, 2^3850545 is an apocalyptic number.

It is an amenable number.

3850545 is a deficient number, since it is larger than the sum of its proper divisors (2578767).

3850545 is a wasteful number, since it uses less digits than its factorization.

3850545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11192.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 3850545 is about 1962.2805609800. The cubic root of 3850545 is about 156.7379158845.

The spelling of 3850545 in words is "three million, eight hundred fifty thousand, five hundred forty-five".