654946 has 4 divisors (see below), whose sum is σ = 982422. Its totient is φ = 327472.

The previous prime is 654943. The next prime is 654967. The reversal of 654946 is 649456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 308025 = 589^2 + 555^2 .

It is not an unprimeable number, because it can be changed into a prime (654943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163735 + ... + 163738.

2⁶⁵⁴⁹⁴⁶ is an apocalyptic number.

654946 is a deficient number, since it is larger than the sum of its proper divisors (327476).

654946 is a wasteful number, since it uses less digits than its factorization.

654946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327475.

The product of its digits is 25920, while the sum is 34.

The square root of 654946 is about 809.2873408129. The cubic root of 654946 is about 86.8430693689.

It can be divided in two parts, 654 and 946, that added together give a square (1600 = 40²).

The spelling of 654946 in words is "six hundred fifty-four thousand, nine hundred forty-six".