30994600 has 144 divisors (see below), whose sum is σ = 89860320. Its totient is φ = 9734400.

The previous prime is 30994597. The next prime is 30994603. The reversal of 30994600 is 649903.

It is an interprime number because it is at equal distance from previous prime (30994597) and next prime (30994603).

It is not an unprimeable number, because it can be changed into a prime (30994603) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 236535 + ... + 236665.

It is an arithmetic number, because the mean of its divisors is an integer number (624030).

Almost surely, 2^30994600 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 30994600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44930160).

30994600 is an abundant number, since it is smaller than the sum of its proper divisors (58865720).

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

30994600 is a wasteful number, since it uses less digits than its factorization.

30994600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30994600 is about 5567.2794073946. The cubic root of 30994600 is about 314.1198239052.

The spelling of 30994600 in words is "thirty million, nine hundred ninety-four thousand, six hundred".