3948515 has 8 divisors (see below), whose sum is σ = 4765488. Its totient is φ = 3140640.

The previous prime is 3948493. The next prime is 3948521. The reversal of 3948515 is 5158493.

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

It is not a de Polignac number, because 3948515 - 2¹⁰ = 3947491 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

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, 1277 + ... + 3086.

It is an arithmetic number, because the mean of its divisors is an integer number (595686).

Almost surely, 2^3948515 is an apocalyptic number.

3948515 is a deficient number, since it is larger than the sum of its proper divisors (816973).

3948515 is a wasteful number, since it uses less digits than its factorization.

3948515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549.

The product of its digits is 21600, while the sum is 35.

The square root of 3948515 is about 1987.0870640211. The cubic root of 3948515 is about 158.0561008919.

The spelling of 3948515 in words is "three million, nine hundred forty-eight thousand, five hundred fifteen".