3948641 has 8 divisors (see below), whose sum is σ = 4199040. Its totient is φ = 3700288.

The previous prime is 3948619. The next prime is 3948653. The reversal of 3948641 is 1468493.

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

It is not a de Polignac number, because 3948641 - 2⁶ = 3948577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3948541) 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, 5780 + ... + 6426.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 2^3948641 is an apocalyptic number.

It is an amenable number.

3948641 is a deficient number, since it is larger than the sum of its proper divisors (250399).

3948641 is a wasteful number, since it uses less digits than its factorization.

3948641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its digits is 20736, while the sum is 35.

The square root of 3948641 is about 1987.1187684686. The cubic root of 3948641 is about 158.0577821026.

The spelling of 3948641 in words is "three million, nine hundred forty-eight thousand, six hundred forty-one".