9740649 has 4 divisors (see below), whose sum is σ = 12987536. Its totient is φ = 6493764.

The previous prime is 9740639. The next prime is 9740651. The reversal of 9740649 is 9460479.

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 not a de Polignac number, because 9740649 - 2⁵ = 9740617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9740629) 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, 1623439 + ... + 1623444.

It is an arithmetic number, because the mean of its divisors is an integer number (3246884).

Almost surely, 2^9740649 is an apocalyptic number.

It is an amenable number.

9740649 is a deficient number, since it is larger than the sum of its proper divisors (3246887).

9740649 is a wasteful number, since it uses less digits than its factorization.

9740649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246886.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 9740649 is about 3121.0012816402. The cubic root of 9740649 is about 213.5646154336.

The spelling of 9740649 in words is "nine million, seven hundred forty thousand, six hundred forty-nine".