30801006 has 16 divisors (see below), whose sum is σ = 68446800. Its totient is φ = 10266984.

The previous prime is 30800993. The next prime is 30801037. The reversal of 30801006 is 60010803.

It is a super-2 number, since 2×30801006² = 1897403941224072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 30801006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285141 + ... + 285248.

It is an arithmetic number, because the mean of its divisors is an integer number (4277925).

Almost surely, 2^30801006 is an apocalyptic number.

30801006 is an abundant number, since it is smaller than the sum of its proper divisors (37645794).

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

30801006 is a wasteful number, since it uses less digits than its factorization.

30801006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570400 (or 570394 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30801006 is about 5549.8654037733. The cubic root of 30801006 is about 313.4644542011.

Adding to 30801006 its reverse (60010803), we get a palindrome (90811809).

The spelling of 30801006 in words is "thirty million, eight hundred one thousand, six".