9407649 has 4 divisors (see below), whose sum is σ = 12543536. Its totient is φ = 6271764.

The previous prime is 9407639. The next prime is 9407677. The reversal of 9407649 is 9467049.

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 9407649 - 2⁴ = 9407633 is a prime.

It is a Duffinian number.

It is a Curzon number.

9407649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9407639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1567939 + ... + 1567944.

It is an arithmetic number, because the mean of its divisors is an integer number (3135884).

Almost surely, 2^9407649 is an apocalyptic number.

It is an amenable number.

9407649 is a deficient number, since it is larger than the sum of its proper divisors (3135887).

9407649 is a wasteful number, since it uses less digits than its factorization.

9407649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135886.

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

The square root of 9407649 is about 3067.1891040495. The cubic root of 9407649 is about 211.1026581308.

The spelling of 9407649 in words is "nine million, four hundred seven thousand, six hundred forty-nine".