3978552 has 32 divisors (see below), whose sum is σ = 10054800. Its totient is φ = 1311744.

The previous prime is 3978523. The next prime is 3978553. The reversal of 3978552 is 2558793.

It is a self number, because there is not a number n which added to its sum of digits gives 3978552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978553) 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, 1474 + ... + 3182.

Almost surely, 2^3978552 is an apocalyptic number.

It is an amenable number.

3978552 is an abundant number, since it is smaller than the sum of its proper divisors (6076248).

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

3978552 is a wasteful number, since it uses less digits than its factorization.

3978552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1811 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 3978552 is about 1994.6307929038. The cubic root of 3978552 is about 158.4558750946.

The spelling of 3978552 in words is "three million, nine hundred seventy-eight thousand, five hundred fifty-two".