461969 has 4 divisors (see below), whose sum is σ = 463344. Its totient is φ = 460596.

The previous prime is 461957. The next prime is 461971. The reversal of 461969 is 969164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461969 is a prime.

It is a super-2 number, since 2×461969² = 426830713922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (115836).

2⁴⁶¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

461969 is a deficient number, since it is larger than the sum of its proper divisors (1375).

461969 is an equidigital number, since it uses as much as digits as its factorization.

461969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its digits is 11664, while the sum is 35.

The square root of 461969 is about 679.6830143530. The cubic root of 461969 is about 77.3044114170.

The spelling of 461969 in words is "four hundred sixty-one thousand, nine hundred sixty-nine".