650979546 has 64 divisors (see below), whose sum is σ = 1517875200. Its totient is φ = 182286720.

The previous prime is 650979481. The next prime is 650979583. The reversal of 650979546 is 645979056.

650979546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×650979546² = 847548738620732232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592870 + ... + 593966.

It is an arithmetic number, because the mean of its divisors is an integer number (23716800).

Almost surely, 2^650979546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650979546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758937600).

650979546 is an abundant number, since it is smaller than the sum of its proper divisors (866895654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650979546 is a wasteful number, since it uses less digits than its factorization.

650979546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The square root of 650979546 is about 25514.3008134654. The cubic root of 650979546 is about 866.6740259401.

The spelling of 650979546 in words is "six hundred fifty million, nine hundred seventy-nine thousand, five hundred forty-six".