561676 has 6 divisors (see below), whose sum is σ = 982940. Its totient is φ = 280836.

The previous prime is 561667. The next prime is 561703. The reversal of 561676 is 676165.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70206 + ... + 70213.

2⁵⁶¹⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

561676 is a deficient number, since it is larger than the sum of its proper divisors (421264).

561676 is a wasteful number, since it uses less digits than its factorization.

561676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140423 (or 140421 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 561676 is about 749.4504653411. The cubic root of 561676 is about 82.5078535529.

The spelling of 561676 in words is "five hundred sixty-one thousand, six hundred seventy-six".