3914845 has 32 divisors (see below), whose sum is σ = 5598720. Its totient is φ = 2595840.

The previous prime is 3914837. The next prime is 3914851. The reversal of 3914845 is 5484193.

It is not a de Polignac number, because 3914845 - 2³ = 3914837 is a prime.

It is a super-2 number, since 2×3914845² = 30652022748050, which contains 22 as substring.

3914845 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3914845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49516 + ... + 49594.

It is an arithmetic number, because the mean of its divisors is an integer number (174960).

Almost surely, 2^3914845 is an apocalyptic number.

It is an amenable number.

3914845 is a deficient number, since it is larger than the sum of its proper divisors (1683875).

3914845 is a wasteful number, since it uses less digits than its factorization.

3914845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165.

The product of its digits is 17280, while the sum is 34.

The square root of 3914845 is about 1978.5967249543. The cubic root of 3914845 is about 157.6055561828.

It can be divided in two parts, 39148 and 45, that added together give a palindrome (39193).

The spelling of 3914845 in words is "three million, nine hundred fourteen thousand, eight hundred forty-five".