30840162 has 8 divisors (see below), whose sum is σ = 61680336. Its totient is φ = 10280052.

The previous prime is 30840149. The next prime is 30840163. The reversal of 30840162 is 26104803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

30840162 is an admirable number.

It is a super-2 number, since 2×30840162² = 1902231184372488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30840163) 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 3 ways as a sum of consecutive naturals, for example, 2570008 + ... + 2570019.

It is an arithmetic number, because the mean of its divisors is an integer number (7710042).

Almost surely, 2^30840162 is an apocalyptic number.

30840162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30840162 is a wasteful number, since it uses less digits than its factorization.

30840162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140032.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30840162 is about 5553.3919364655. The cubic root of 30840162 is about 313.5972292658.

Adding to 30840162 its reverse (26104803), we get a palindrome (56944965).

It can be divided in two parts, 308 and 40162, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 30840162 in words is "thirty million, eight hundred forty thousand, one hundred sixty-two".