654223460 has 48 divisors (see below), whose sum is σ = 1513657152. Its totient is φ = 235536000.

The previous prime is 654223433. The next prime is 654223463. The reversal of 654223460 is 64322456.

It is a super-2 number, since 2×654223460² = 856016671228743200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654223463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7499 + ... + 36941.

It is an arithmetic number, because the mean of its divisors is an integer number (31534524).

Almost surely, 2^654223460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654223460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756828576).

654223460 is an abundant number, since it is smaller than the sum of its proper divisors (859433692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654223460 is a wasteful number, since it uses less digits than its factorization.

654223460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29564 (or 29562 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 654223460 is about 25577.7923206832. The cubic root of 654223460 is about 868.1112236869. Note that the first 3 decimals are identical.

The spelling of 654223460 in words is "six hundred fifty-four million, two hundred twenty-three thousand, four hundred sixty".