649070296 has 16 divisors (see below), whose sum is σ = 1390865040. Its totient is φ = 278172960.

The previous prime is 649070293. The next prime is 649070297. The reversal of 649070296 is 692070946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649070293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5795215 + ... + 5795326.

It is an arithmetic number, because the mean of its divisors is an integer number (86929065).

Almost surely, 2^649070296 is an apocalyptic number.

It is an amenable number.

649070296 is an abundant number, since it is smaller than the sum of its proper divisors (741794744).

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

649070296 is a wasteful number, since it uses less digits than its factorization.

649070296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11590554 (or 11590550 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 649070296 is about 25476.8580480404. The cubic root of 649070296 is about 865.8259103499.

The spelling of 649070296 in words is "six hundred forty-nine million, seventy thousand, two hundred ninety-six".