30380700 has 288 divisors, whose sum is σ = 113992704. Its totient is φ = 6082560.

The previous prime is 30380689. The next prime is 30380711. The reversal of 30380700 is 708303.

It is an interprime number because it is at equal distance from previous prime (30380689) and next prime (30380711).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 821082 + ... + 821118.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

Almost surely, 2^30380700 is an apocalyptic number.

30380700 is a gapful number since it is divisible by the number (30) 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 30380700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56996352).

30380700 is an abundant number, since it is smaller than the sum of its proper divisors (83612004).

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

30380700 is a wasteful number, since it uses less digits than its factorization.

30380700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30380700 is about 5511.8690115060. The cubic root of 30380700 is about 312.0320890730.

It can be divided in two parts, 303 and 80700, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 30380700 in words is "thirty million, three hundred eighty thousand, seven hundred".