654434 has 16 divisors (see below), whose sum is σ = 1083456. Its totient is φ = 294000.

The previous prime is 654427. The next prime is 654439. The reversal of 654434 is 434456.

654434 = T₂₆ + T₂₇ + ... + T₁₅₇.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654439) 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, 3224 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (67716).

2⁶⁵⁴⁴³⁴ is an apocalyptic number.

654434 is a deficient number, since it is larger than the sum of its proper divisors (429022).

654434 is a wasteful number, since it uses less digits than its factorization.

654434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 5760, while the sum is 26.

The square root of 654434 is about 808.9709512708. The cubic root of 654434 is about 86.8204337913.

The spelling of 654434 in words is "six hundred fifty-four thousand, four hundred thirty-four".