30106448 has 30 divisors (see below), whose sum is σ = 60994794. Its totient is φ = 14394688.

The previous prime is 30106429. The next prime is 30106451. The reversal of 30106448 is 84460103.

It can be written as a sum of positive squares in only one way, i.e., 20322064 + 9784384 = 4508^2 + 3128^2 .

It is a super-2 number, since 2×30106448² = 1812796422353408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6686 + ... + 10242.

Almost surely, 2^30106448 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 30106448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30497397).

30106448 is an abundant number, since it is smaller than the sum of its proper divisors (30888346).

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

30106448 is a wasteful number, since it uses less digits than its factorization.

30106448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30106448 is about 5486.9342988594. The cubic root of 30106448 is about 311.0903264270.

The spelling of 30106448 in words is "thirty million, one hundred six thousand, four hundred forty-eight".