3915849 has 8 divisors (see below), whose sum is σ = 5967040. Its totient is φ = 2237616.

The previous prime is 3915839. The next prime is 3915853. The reversal of 3915849 is 9485193.

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

It is not a de Polignac number, because 3915849 - 2⁵ = 3915817 is a prime.

It is a Duffinian number.

It is a Curzon number.

3915849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3915809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93214 + ... + 93255.

It is an arithmetic number, because the mean of its divisors is an integer number (745880).

Almost surely, 2^3915849 is an apocalyptic number.

It is an amenable number.

3915849 is a deficient number, since it is larger than the sum of its proper divisors (2051191).

3915849 is a wasteful number, since it uses less digits than its factorization.

3915849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186479.

The product of its digits is 38880, while the sum is 39.

The square root of 3915849 is about 1978.8504238572. The cubic root of 3915849 is about 157.6190281894.

The spelling of 3915849 in words is "three million, nine hundred fifteen thousand, eight hundred forty-nine".