434661 has 4 divisors (see below), whose sum is σ = 579552. Its totient is φ = 289772.

The previous prime is 434659. The next prime is 434683. The reversal of 434661 is 166434.

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 not a de Polignac number, because 434661 - 2¹ = 434659 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434611) 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, 72441 + ... + 72446.

It is an arithmetic number, because the mean of its divisors is an integer number (144888).

2⁴³⁴⁶⁶¹ is an apocalyptic number.

It is an amenable number.

434661 is a deficient number, since it is larger than the sum of its proper divisors (144891).

434661 is a wasteful number, since it uses less digits than its factorization.

434661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144890.

The product of its digits is 1728, while the sum is 24.

The square root of 434661 is about 659.2882525876. The cubic root of 434661 is about 75.7501606593.

The spelling of 434661 in words is "four hundred thirty-four thousand, six hundred sixty-one".