30196656 has 120 divisors (see below), whose sum is σ = 100008480. Its totient is φ = 8322048.

The previous prime is 30196633. The next prime is 30196657. The reversal of 30196656 is 65669103.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30196656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30196657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28716 + ... + 29748.

It is an arithmetic number, because the mean of its divisors is an integer number (833404).

Almost surely, 2^30196656 is an apocalyptic number.

30196656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30196656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50004240).

30196656 is an abundant number, since it is smaller than the sum of its proper divisors (69811824).

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

30196656 is a wasteful number, since it uses less digits than its factorization.

30196656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 30196656 is about 5495.1484056393. The cubic root of 30196656 is about 311.4007234389.

The spelling of 30196656 in words is "thirty million, one hundred ninety-six thousand, six hundred fifty-six".