648532234 has 8 divisors (see below), whose sum is σ = 1111769568. Its totient is φ = 277942380.

The previous prime is 648532229. The next prime is 648532271. The reversal of 648532234 is 432235846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 648532193 and 648532202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23161852 + ... + 23161879.

It is an arithmetic number, because the mean of its divisors is an integer number (138971196).

Almost surely, 2^648532234 is an apocalyptic number.

648532234 is a deficient number, since it is larger than the sum of its proper divisors (463237334).

648532234 is a wasteful number, since it uses less digits than its factorization.

648532234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46323740.

The product of its digits is 138240, while the sum is 37.

The square root of 648532234 is about 25466.2960400605. The cubic root of 648532234 is about 865.5865953307.

The spelling of 648532234 in words is "six hundred forty-eight million, five hundred thirty-two thousand, two hundred thirty-four".