649843348 has 96 divisors (see below), whose sum is σ = 1465390080. Its totient is φ = 244823040.

The previous prime is 649843319. The next prime is 649843361. The reversal of 649843348 is 843348946.

It is a congruent number.

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, 1840740 + ... + 1841092.

It is an arithmetic number, because the mean of its divisors is an integer number (15264480).

Almost surely, 2^649843348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 649843348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732695040).

649843348 is an abundant number, since it is smaller than the sum of its proper divisors (815546732).

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

649843348 is a wasteful number, since it uses less digits than its factorization.

649843348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 555 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 649843348 is about 25492.0251843591. The cubic root of 649843348 is about 866.1695109865.

The spelling of 649843348 in words is "six hundred forty-nine million, eight hundred forty-three thousand, three hundred forty-eight".