461690 has 16 divisors (see below), whose sum is σ = 839592. Its totient is φ = 182784.

The previous prime is 461689. The next prime is 461693. The reversal of 461690 is 96164.

It can be written as a sum of positive squares in 4 ways, for example, as 339889 + 121801 = 583^2 + 349^2 .

It is a super-2 number, since 2×461690² = 426315312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461693) 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 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 1538.

2⁴⁶¹⁶⁹⁰ is an apocalyptic number.

461690 is a deficient number, since it is larger than the sum of its proper divisors (377902).

461690 is a wasteful number, since it uses less digits than its factorization.

461690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 461690 is about 679.4777406214. The cubic root of 461690 is about 77.2888459612.

The spelling of 461690 in words is "four hundred sixty-one thousand, six hundred ninety".