3997548 has 18 divisors (see below), whose sum is σ = 10105004. Its totient is φ = 1332504.

The previous prime is 3997547. The next prime is 3997549. The reversal of 3997548 is 8457993.

It is an interprime number because it is at equal distance from previous prime (3997547) and next prime (3997549).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (3997547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55486 + ... + 55557.

Almost surely, 2^3997548 is an apocalyptic number.

It is an amenable number.

3997548 is an abundant number, since it is smaller than the sum of its proper divisors (6107456).

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

3997548 is a wasteful number, since it uses less digits than its factorization.

3997548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111053 (or 111048 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3997548 is about 1999.3869060289. The cubic root of 3997548 is about 158.7076626720.

The spelling of 3997548 in words is "three million, nine hundred ninety-seven thousand, five hundred forty-eight".