949578641 has 8 divisors (see below), whose sum is σ = 1036700544. Its totient is φ = 862589520.

The previous prime is 949578629. The next prime is 949578659. The reversal of 949578641 is 146875949.

949578641 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 a de Polignac number, because none of the positive numbers 2^k-949578641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (949578611) 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, 17930 + ... + 47123.

It is an arithmetic number, because the mean of its divisors is an integer number (129587568).

Almost surely, 2^949578641 is an apocalyptic number.

It is an amenable number.

949578641 is a deficient number, since it is larger than the sum of its proper divisors (87121903).

949578641 is a wasteful number, since it uses less digits than its factorization.

949578641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66391.

The product of its digits is 2177280, while the sum is 53.

The square root of 949578641 is about 30815.2339111680. The cubic root of 949578641 is about 982.9022120715.

The spelling of 949578641 in words is "nine hundred forty-nine million, five hundred seventy-eight thousand, six hundred forty-one".