4047097 has 8 divisors (see below), whose sum is σ = 4206600. Its totient is φ = 3890304.

The previous prime is 4047089. The next prime is 4047101. The reversal of 4047097 is 7907404.

It can be written as a sum of positive squares in 4 ways, for example, as 2042041 + 2005056 = 1429^2 + 1416^2 .

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 4047097 - 2³ = 4047089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047067) 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, 2679 + ... + 3907.

It is an arithmetic number, because the mean of its divisors is an integer number (525825).

Almost surely, 2^4047097 is an apocalyptic number.

It is an amenable number.

4047097 is a deficient number, since it is larger than the sum of its proper divisors (159503).

4047097 is a wasteful number, since it uses less digits than its factorization.

4047097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 4047097 is about 2011.7397943074. The cubic root of 4047097 is about 159.3606911157.

The spelling of 4047097 in words is "four million, forty-seven thousand, ninety-seven".