30869748 has 144 divisors (see below), whose sum is σ = 99881600. Its totient is φ = 8118144.

The previous prime is 30869723. The next prime is 30869753. The reversal of 30869748 is 84796803.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88278 + ... + 88626.

Almost surely, 2^30869748 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 30869748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49940800).

30869748 is an abundant number, since it is smaller than the sum of its proper divisors (69011852).

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

30869748 is a wasteful number, since it uses less digits than its factorization.

30869748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 30869748 is about 5556.0550753210. The cubic root of 30869748 is about 313.6974786558.

The spelling of 30869748 in words is "thirty million, eight hundred sixty-nine thousand, seven hundred forty-eight".