7934649 has 4 divisors (see below), whose sum is σ = 10579536. Its totient is φ = 5289764.

The previous prime is 7934627. The next prime is 7934651. The reversal of 7934649 is 9464397.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9464397 = 3 ⋅3154799.

It is a cyclic number.

It is not a de Polignac number, because 7934649 - 2⁹ = 7934137 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7934649.

It is not an unprimeable number, because it can be changed into a prime (7934659) 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, 1322439 + ... + 1322444.

It is an arithmetic number, because the mean of its divisors is an integer number (2644884).

Almost surely, 2^7934649 is an apocalyptic number.

It is an amenable number.

7934649 is a deficient number, since it is larger than the sum of its proper divisors (2644887).

7934649 is a wasteful number, since it uses less digits than its factorization.

7934649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644886.

The product of its digits is 163296, while the sum is 42.

The square root of 7934649 is about 2816.8509012726. The cubic root of 7934649 is about 199.4539186663.

The spelling of 7934649 in words is "seven million, nine hundred thirty-four thousand, six hundred forty-nine".