469661 has 6 divisors (see below), whose sum is σ = 496062. Its totient is φ = 444600.

The previous prime is 469657. The next prime is 469673. The reversal of 469661 is 166964.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 225625 = 494^2 + 475^2 .

It is not a de Polignac number, because 469661 - 2² = 469657 is a prime.

It is a Duffinian number.

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 469661.

It is not an unprimeable number, because it can be changed into a prime (469631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (82677).

2⁴⁶⁹⁶⁶¹ is an apocalyptic number.

It is an amenable number.

469661 is a deficient number, since it is larger than the sum of its proper divisors (26401).

469661 is a wasteful number, since it uses less digits than its factorization.

469661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1320 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 469661 is about 685.3181742811. The cubic root of 469661 is about 77.7311034401.

The spelling of 469661 in words is "four hundred sixty-nine thousand, six hundred sixty-one".