3857497 has 8 divisors (see below), whose sum is σ = 4424000. Its totient is φ = 3294864.

The previous prime is 3857489. The next prime is 3857519. The reversal of 3857497 is 7947583.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3857497 - 2³ = 3857489 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 8⁷ + 5⁵ + 7 + 4¹⁰ + 9⁶ + 7² .

It is not an unprimeable number, because it can be changed into a prime (3857417) 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 7 ways as a sum of consecutive naturals, for example, 1654 + ... + 3232.

It is an arithmetic number, because the mean of its divisors is an integer number (553000).

Almost surely, 2^3857497 is an apocalyptic number.

It is an amenable number.

3857497 is a deficient number, since it is larger than the sum of its proper divisors (566503).

3857497 is a wasteful number, since it uses less digits than its factorization.

3857497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its digits is 211680, while the sum is 43.

The square root of 3857497 is about 1964.0511704128. The cubic root of 3857497 is about 156.8321871180.

The spelling of 3857497 in words is "three million, eight hundred fifty-seven thousand, four hundred ninety-seven".