30940230 has 32 divisors (see below), whose sum is σ = 74564064. Its totient is φ = 8216576.

The previous prime is 30940213. The next prime is 30940243. The reversal of 30940230 is 3204903.

It is a junction number, because it is equal to n+sod(n) for n = 30940197 and 30940206.

It is a congruent number.

It is an unprimeable number.

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, 5704 + ... + 9716.

It is an arithmetic number, because the mean of its divisors is an integer number (2330127).

Almost surely, 2^30940230 is an apocalyptic number.

30940230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30940230 is an abundant number, since it is smaller than the sum of its proper divisors (43623834).

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

30940230 is a wasteful number, since it uses less digits than its factorization.

30940230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30940230 is about 5562.3942686581. The cubic root of 30940230 is about 313.9360425269.

The spelling of 30940230 in words is "thirty million, nine hundred forty thousand, two hundred thirty".