30654489 has 4 divisors (see below), whose sum is σ = 40872656. Its totient is φ = 20436324.

The previous prime is 30654457. The next prime is 30654493. The reversal of 30654489 is 98445603.

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 not a de Polignac number, because 30654489 - 2⁵ = 30654457 is a prime.

It is a super-2 number, since 2×30654489² = 1879395391702242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30654439) 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 3 ways as a sum of consecutive naturals, for example, 5109079 + ... + 5109084.

It is an arithmetic number, because the mean of its divisors is an integer number (10218164).

Almost surely, 2^30654489 is an apocalyptic number.

It is an amenable number.

30654489 is a deficient number, since it is larger than the sum of its proper divisors (10218167).

30654489 is a wasteful number, since it uses less digits than its factorization.

30654489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218166.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 30654489 is about 5536.6496186773. The cubic root of 30654489 is about 312.9666253411.

The spelling of 30654489 in words is "thirty million, six hundred fifty-four thousand, four hundred eighty-nine".