4009497 has 4 divisors (see below), whose sum is σ = 5346000. Its totient is φ = 2672996.

The previous prime is 4009483. The next prime is 4009507. The reversal of 4009497 is 7949004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4009497 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4009417) 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, 668247 + ... + 668252.

It is an arithmetic number, because the mean of its divisors is an integer number (1336500).

Almost surely, 2^4009497 is an apocalyptic number.

It is an amenable number.

4009497 is a deficient number, since it is larger than the sum of its proper divisors (1336503).

4009497 is a wasteful number, since it uses less digits than its factorization.

4009497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336502.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 4009497 is about 2002.3728424047. The cubic root of 4009497 is about 158.8656354673.

The spelling of 4009497 in words is "four million, nine thousand, four hundred ninety-seven".