3903948 has 36 divisors (see below), whose sum is σ = 10450440. Its totient is φ = 1224576.

The previous prime is 3903947. The next prime is 3903973. The reversal of 3903948 is 8493093.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3903947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578 + ... + 3801.

It is an arithmetic number, because the mean of its divisors is an integer number (290290).

Almost surely, 2^3903948 is an apocalyptic number.

It is an amenable number.

3903948 is an abundant number, since it is smaller than the sum of its proper divisors (6546492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3903948 is a wasteful number, since it uses less digits than its factorization.

3903948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6406 (or 6401 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3903948 is about 1975.8410867274. The cubic root of 3903948 is about 157.4591882163.

It can be divided in two parts, 3903 and 948, that added together give a triangular number (4851 = T₉₈).

The spelling of 3903948 in words is "three million, nine hundred three thousand, nine hundred forty-eight".