3948115 has 4 divisors (see below), whose sum is σ = 4737744. Its totient is φ = 3158488.

The previous prime is 3948101. The next prime is 3948121. The reversal of 3948115 is 5118493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5118493 = 433 ⋅11821.

It is a cyclic number.

It is not a de Polignac number, because 3948115 - 2⁷ = 3947987 is a prime.

It is a super-2 number, since 2×3948115² = 31175224106450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394807 + ... + 394816.

It is an arithmetic number, because the mean of its divisors is an integer number (1184436).

Almost surely, 2^3948115 is an apocalyptic number.

3948115 is a deficient number, since it is larger than the sum of its proper divisors (789629).

3948115 is an equidigital number, since it uses as much as digits as its factorization.

3948115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789628.

The product of its digits is 4320, while the sum is 31.

The square root of 3948115 is about 1986.9864116294. The cubic root of 3948115 is about 158.0507634781.

The spelling of 3948115 in words is "three million, nine hundred forty-eight thousand, one hundred fifteen".