648893435 has 16 divisors (see below), whose sum is σ = 802897920. Its totient is φ = 503149920.

The previous prime is 648893407. The next prime is 648893449. The reversal of 648893435 is 534398846.

It is a happy number.

It is not a de Polignac number, because 648893435 - 2¹⁰ = 648892411 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 16646 + ... + 39684.

It is an arithmetic number, because the mean of its divisors is an integer number (50181120).

Almost surely, 2^648893435 is an apocalyptic number.

648893435 is a deficient number, since it is larger than the sum of its proper divisors (154004485).

648893435 is a wasteful number, since it uses less digits than its factorization.

648893435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23218.

The product of its digits is 2488320, while the sum is 50.

The square root of 648893435 is about 25473.3867987749. The cubic root of 648893435 is about 865.7472620905.

The spelling of 648893435 in words is "six hundred forty-eight million, eight hundred ninety-three thousand, four hundred thirty-five".