654934 has 24 divisors (see below), whose sum is σ = 1177848. Its totient is φ = 272160.

The previous prime is 654931. The next prime is 654943. The reversal of 654934 is 439456.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 654896 and 654905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3937 + ... + 4099.

It is an arithmetic number, because the mean of its divisors is an integer number (49077).

2⁶⁵⁴⁹³⁴ is an apocalyptic number.

654934 is a deficient number, since it is larger than the sum of its proper divisors (522914).

654934 is a wasteful number, since it uses less digits than its factorization.

654934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 213 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 654934 is about 809.2799268486. The cubic root of 654934 is about 86.8425389826.

The spelling of 654934 in words is "six hundred fifty-four thousand, nine hundred thirty-four".