7924641 has 4 divisors (see below), whose sum is σ = 10566192. Its totient is φ = 5283092.

The previous prime is 7924639. The next prime is 7924643. The reversal of 7924641 is 1464297.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (7924639) and next prime (7924643).

It is a cyclic number.

It is not a de Polignac number, because 7924641 - 2¹ = 7924639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7924643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320771 + ... + 1320776.

It is an arithmetic number, because the mean of its divisors is an integer number (2641548).

Almost surely, 2^7924641 is an apocalyptic number.

It is an amenable number.

7924641 is a deficient number, since it is larger than the sum of its proper divisors (2641551).

7924641 is a wasteful number, since it uses less digits than its factorization.

7924641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641550.

The product of its digits is 12096, while the sum is 33.

The square root of 7924641 is about 2815.0738889059. The cubic root of 7924641 is about 199.3700260811.

The spelling of 7924641 in words is "seven million, nine hundred twenty-four thousand, six hundred forty-one".