3897732 has 12 divisors (see below), whose sum is σ = 9094736. Its totient is φ = 1299240.

The previous prime is 3897727. The next prime is 3897739. The reversal of 3897732 is 2377983.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3897739) 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, 162394 + ... + 162417.

Almost surely, 2^3897732 is an apocalyptic number.

It is an amenable number.

3897732 is an abundant number, since it is smaller than the sum of its proper divisors (5197004).

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

3897732 is a wasteful number, since it uses less digits than its factorization.

3897732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324818 (or 324816 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 3897732 is about 1974.2674590845. The cubic root of 3897732 is about 157.3755731810.

The spelling of 3897732 in words is "three million, eight hundred ninety-seven thousand, seven hundred thirty-two".