648476 has 6 divisors (see below), whose sum is σ = 1134840. Its totient is φ = 324236.

The previous prime is 648449. The next prime is 648481. The reversal of 648476 is 674846.

648476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×648476² = 841042245152, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648476.

It is an unprimeable number.

648476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81056 + ... + 81063.

It is an arithmetic number, because the mean of its divisors is an integer number (189140).

2⁶⁴⁸⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

648476 is a deficient number, since it is larger than the sum of its proper divisors (486364).

648476 is a wasteful number, since it uses less digits than its factorization.

648476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162123 (or 162121 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 648476 is about 805.2800755017. The cubic root of 648476 is about 86.5561576372.

The spelling of 648476 in words is "six hundred forty-eight thousand, four hundred seventy-six".