30492828 has 48 divisors (see below), whose sum is σ = 79380000. Its totient is φ = 10122624.

The previous prime is 30492821. The next prime is 30492851. The reversal of 30492828 is 82829403.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30492792 and 30492801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30492821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37288 + ... + 38096.

It is an arithmetic number, because the mean of its divisors is an integer number (1653750).

Almost surely, 2^30492828 is an apocalyptic number.

It is an amenable number.

30492828 is an abundant number, since it is smaller than the sum of its proper divisors (48887172).

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

30492828 is a wasteful number, since it uses less digits than its factorization.

30492828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 30492828 is about 5522.0311480469. The cubic root of 30492828 is about 312.4154967248.

The spelling of 30492828 in words is "thirty million, four hundred ninety-two thousand, eight hundred twenty-eight".