3897737 has 4 divisors (see below), whose sum is σ = 3918336. Its totient is φ = 3877140.

The previous prime is 3897727. The next prime is 3897739. The reversal of 3897737 is 7377983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3897737 - 2⁴ = 3897721 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3897739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10013 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (979584).

Almost surely, 2^3897737 is an apocalyptic number.

It is an amenable number.

3897737 is a deficient number, since it is larger than the sum of its proper divisors (20599).

3897737 is a wasteful number, since it uses less digits than its factorization.

3897737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20598.

The product of its digits is 222264, while the sum is 44.

The square root of 3897737 is about 1974.2687253766. The cubic root of 3897737 is about 157.3756404747.

The spelling of 3897737 in words is "three million, eight hundred ninety-seven thousand, seven hundred thirty-seven".