3948436 has 12 divisors (see below), whose sum is σ = 6923700. Its totient is φ = 1970240.

The previous prime is 3948431. The next prime is 3948463. The reversal of 3948436 is 6348493.

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 864900 = 1756^2 + 930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3948395 and 3948404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948431) by changing a digit.

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, 3240 + ... + 4288.

It is an arithmetic number, because the mean of its divisors is an integer number (576975).

Almost surely, 2^3948436 is an apocalyptic number.

It is an amenable number.

3948436 is a deficient number, since it is larger than the sum of its proper divisors (2975264).

3948436 is a wasteful number, since it uses less digits than its factorization.

3948436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1992 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 3948436 is about 1987.0671855778. The cubic root of 3948436 is about 158.0550467813.

The spelling of 3948436 in words is "three million, nine hundred forty-eight thousand, four hundred thirty-six".