30838380 has 48 divisors (see below), whose sum is σ = 86819040. Its totient is φ = 8178688.

The previous prime is 30838373. The next prime is 30838393. The reversal of 30838380 is 8383803.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10516 + ... + 13124.

It is an arithmetic number, because the mean of its divisors is an integer number (1808730).

Almost surely, 2^30838380 is an apocalyptic number.

30838380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30838380 is an abundant number, since it is smaller than the sum of its proper divisors (55980660).

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

30838380 is a wasteful number, since it uses less digits than its factorization.

30838380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 30838380 is about 5553.2314916632. The cubic root of 30838380 is about 313.5911890789.

The spelling of 30838380 in words is "thirty million, eight hundred thirty-eight thousand, three hundred eighty".