30654 has 24 divisors (see below), whose sum is σ = 72072. Its totient is φ = 9360.

The previous prime is 30649. The next prime is 30661. The reversal of 30654 is 45603.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30654.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169 + ... + 299.

It is an arithmetic number, because the mean of its divisors is an integer number (3003).

2³⁰⁶⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36036).

30654 is an abundant number, since it is smaller than the sum of its proper divisors (41418).

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

30654 is a wasteful number, since it uses less digits than its factorization.

30654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30654 is about 175.0828375370. The cubic root of 30654 is about 31.2964961186.

The spelling of 30654 in words is "thirty thousand, six hundred fifty-four".