648430941 has 8 divisors (see below), whose sum is σ = 882969984. Its totient is φ = 423089600.

The previous prime is 648430933. The next prime is 648430961. The reversal of 648430941 is 149034846.

It is a happy number.

648430941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 648430941 - 2³ = 648430933 is a prime.

It is a super-2 number, since 2×648430941² = 840925370492290962, which contains 22 as substring.

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 648430941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648430921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299260 + ... + 2299541.

It is an arithmetic number, because the mean of its divisors is an integer number (110371248).

Almost surely, 2^648430941 is an apocalyptic number.

It is an amenable number.

648430941 is a deficient number, since it is larger than the sum of its proper divisors (234539043).

648430941 is a wasteful number, since it uses less digits than its factorization.

648430941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598851.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 648430941 is about 25464.3071965447. The cubic root of 648430941 is about 865.5415282168.

The spelling of 648430941 in words is "six hundred forty-eight million, four hundred thirty thousand, nine hundred forty-one".