999461 has 4 divisors (see below), whose sum is σ = 1001952. Its totient is φ = 996972.

The previous prime is 999451. The next prime is 999491. The reversal of 999461 is 164999.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999431) 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, 491 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (250488).

2⁹⁹⁹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

999461 is a deficient number, since it is larger than the sum of its proper divisors (2491).

999461 is a wasteful number, since it uses less digits than its factorization.

999461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490.

The product of its digits is 17496, while the sum is 38.

The square root of 999461 is about 999.7304636751. The cubic root of 999461 is about 99.9820301044.

It can be divided in two parts, 99 and 9461, that multiplied together give a palindrome (936639).

The spelling of 999461 in words is "nine hundred ninety-nine thousand, four hundred sixty-one".