3948782 has 4 divisors (see below), whose sum is σ = 5923176. Its totient is φ = 1974390.

The previous prime is 3948781. The next prime is 3948803. The reversal of 3948782 is 2878493.

3948782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2878493 = 1061 ⋅2713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987194 + ... + 987197.

It is an arithmetic number, because the mean of its divisors is an integer number (1480794).

Almost surely, 2^3948782 is an apocalyptic number.

3948782 is a deficient number, since it is larger than the sum of its proper divisors (1974394).

3948782 is a wasteful number, since it uses less digits than its factorization.

3948782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974393.

The product of its digits is 96768, while the sum is 41.

The square root of 3948782 is about 1987.1542466553. The cubic root of 3948782 is about 158.0596634150.

The spelling of 3948782 in words is "three million, nine hundred forty-eight thousand, seven hundred eighty-two".