3897741 has 8 divisors (see below), whose sum is σ = 5423040. Its totient is φ = 2485472.

The previous prime is 3897739. The next prime is 3897749. The reversal of 3897741 is 1477983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3897741 - 2¹ = 3897739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3897741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897749) 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, 28176 + ... + 28313.

It is an arithmetic number, because the mean of its divisors is an integer number (677880).

Almost surely, 2^3897741 is an apocalyptic number.

It is an amenable number.

3897741 is a deficient number, since it is larger than the sum of its proper divisors (1525299).

3897741 is a wasteful number, since it uses less digits than its factorization.

3897741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56515.

The product of its digits is 42336, while the sum is 39.

The square root of 3897741 is about 1974.2697384096. The cubic root of 3897741 is about 157.3756943095.

It can be divided in two parts, 38 and 97741, that added together give a palindrome (97779).

The spelling of 3897741 in words is "three million, eight hundred ninety-seven thousand, seven hundred forty-one".