4009297 has 6 divisors (see below), whose sum is σ = 4259318. Its totient is φ = 3773184.

The previous prime is 4009249. The next prime is 4009307. The reversal of 4009297 is 7929004.

It can be written as a sum of positive squares in 3 ways, for example, as 1547536 + 2461761 = 1244^2 + 1569^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4009297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4009207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6648 + ... + 7225.

Almost surely, 2^4009297 is an apocalyptic number.

It is an amenable number.

4009297 is a deficient number, since it is larger than the sum of its proper divisors (250021).

4009297 is a wasteful number, since it uses less digits than its factorization.

4009297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13907 (or 13890 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 4009297 is about 2002.3229010327. The cubic root of 4009297 is about 158.8629939344.

The spelling of 4009297 in words is "four million, nine thousand, two hundred ninety-seven".