30364840 has 32 divisors (see below), whose sum is σ = 74532960. Its totient is φ = 11041600.

The previous prime is 30364819. The next prime is 30364847. The reversal of 30364840 is 4846303.

It is a junction number, because it is equal to n+sod(n) for n = 30364799 and 30364808.

It is not an unprimeable number, because it can be changed into a prime (30364847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34066 + ... + 34945.

It is an arithmetic number, because the mean of its divisors is an integer number (2329155).

Almost surely, 2^30364840 is an apocalyptic number.

It is an amenable number.

30364840 is an abundant number, since it is smaller than the sum of its proper divisors (44168120).

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

30364840 is a wasteful number, since it uses less digits than its factorization.

30364840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69033 (or 69029 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 30364840 is about 5510.4301102546. The cubic root of 30364840 is about 311.9777816744.

The spelling of 30364840 in words is "thirty million, three hundred sixty-four thousand, eight hundred forty".