649524092 has 24 divisors (see below), whose sum is σ = 1301387136. Its totient is φ = 277866288.

The previous prime is 649524089. The next prime is 649524103. The reversal of 649524092 is 290425946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838 + ... + 36365.

It is an arithmetic number, because the mean of its divisors is an integer number (54224464).

Almost surely, 2^649524092 is an apocalyptic number.

It is an amenable number.

649524092 is an abundant number, since it is smaller than the sum of its proper divisors (651863044).

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

649524092 is a wasteful number, since it uses less digits than its factorization.

649524092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41777 (or 41775 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 649524092 is about 25485.7625351882. The cubic root of 649524092 is about 866.0276434061.

The spelling of 649524092 in words is "six hundred forty-nine million, five hundred twenty-four thousand, ninety-two".