654948646 has 8 divisors (see below), whose sum is σ = 1071734184. Its totient is φ = 297703920.

The previous prime is 654948629. The next prime is 654948653. The reversal of 654948646 is 646849456.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 654948593 and 654948602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14885175 + ... + 14885218.

It is an arithmetic number, because the mean of its divisors is an integer number (133966773).

Almost surely, 2^654948646 is an apocalyptic number.

654948646 is a deficient number, since it is larger than the sum of its proper divisors (416785538).

654948646 is a wasteful number, since it uses less digits than its factorization.

654948646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29770406.

The product of its digits is 4976640, while the sum is 52.

The square root of 654948646 is about 25591.9644810632. The cubic root of 654948646 is about 868.4318631821.

The spelling of 654948646 in words is "six hundred fifty-four million, nine hundred forty-eight thousand, six hundred forty-six".