3967544 has 16 divisors (see below), whose sum is σ = 8502000. Its totient is φ = 1700352.

The previous prime is 3967541. The next prime is 3967553. The reversal of 3967544 is 4457693.

It is a junction number, because it is equal to n+sod(n) for n = 3967498 and 3967507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35369 + ... + 35480.

It is an arithmetic number, because the mean of its divisors is an integer number (531375).

Almost surely, 2^3967544 is an apocalyptic number.

It is an amenable number.

3967544 is an abundant number, since it is smaller than the sum of its proper divisors (4534456).

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

3967544 is a wasteful number, since it uses less digits than its factorization.

3967544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70862 (or 70858 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 3967544 is about 1991.8694736353. The cubic root of 3967544 is about 158.3095996436.

The spelling of 3967544 in words is "three million, nine hundred sixty-seven thousand, five hundred forty-four".