3897260 has 12 divisors (see below), whose sum is σ = 8184288. Its totient is φ = 1558896.

The previous prime is 3897259. The next prime is 3897263. The reversal of 3897260 is 627983.

It is a self number, because there is not a number n which added to its sum of digits gives 3897260.

It is not an unprimeable number, because it can be changed into a prime (3897263) 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, 97412 + ... + 97451.

It is an arithmetic number, because the mean of its divisors is an integer number (682024).

Almost surely, 2^3897260 is an apocalyptic number.

It is an amenable number.

3897260 is an abundant number, since it is smaller than the sum of its proper divisors (4287028).

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

3897260 is a wasteful number, since it uses less digits than its factorization.

3897260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194872 (or 194870 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3897260 is about 1974.1479174570. The cubic root of 3897260 is about 157.3692204038.

The spelling of 3897260 in words is "three million, eight hundred ninety-seven thousand, two hundred sixty".