654412 has 24 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 292560.

The previous prime is 654397. The next prime is 654413. The reversal of 654412 is 214456.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (654413) 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, 4639 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁶⁵⁴⁴¹² is an apocalyptic number.

It is an amenable number.

654412 is a deficient number, since it is larger than the sum of its proper divisors (615668).

654412 is a wasteful number, since it uses less digits than its factorization.

654412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 259 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 654412 is about 808.9573536349. The cubic root of 654412 is about 86.8194609044.

Adding to 654412 its reverse (214456), we get a palindrome (868868).

It can be divided in two parts, 6544 and 12, that added together give a palindrome (6556).

The spelling of 654412 in words is "six hundred fifty-four thousand, four hundred twelve".