3897126 has 16 divisors (see below), whose sum is σ = 8660400. Its totient is φ = 1299024.

The previous prime is 3897121. The next prime is 3897139. The reversal of 3897126 is 6217983.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3⁷ + 8³ + 9 + 7⁶ + 1 + 2²¹ + 6⁸ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897121) 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, 36031 + ... + 36138.

It is an arithmetic number, because the mean of its divisors is an integer number (541275).

Almost surely, 2^3897126 is an apocalyptic number.

3897126 is an abundant number, since it is smaller than the sum of its proper divisors (4763274).

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

3897126 is a wasteful number, since it uses less digits than its factorization.

3897126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72180 (or 72174 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3897126 is about 1974.1139784724. The cubic root of 3897126 is about 157.3674167676.

The spelling of 3897126 in words is "three million, eight hundred ninety-seven thousand, one hundred twenty-six".