30206490 has 16 divisors (see below), whose sum is σ = 72495648. Its totient is φ = 8055056.

The previous prime is 30206461. The next prime is 30206509. The reversal of 30206490 is 9460203.

It is a self number, because there is not a number n which added to its sum of digits gives 30206490.

It is an unprimeable number.

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, 503412 + ... + 503471.

It is an arithmetic number, because the mean of its divisors is an integer number (4530978).

Almost surely, 2^30206490 is an apocalyptic number.

30206490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30206490 is an abundant number, since it is smaller than the sum of its proper divisors (42289158).

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

30206490 is a wasteful number, since it uses less digits than its factorization.

30206490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006893.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30206490 is about 5496.0431221016. The cubic root of 30206490 is about 311.4345238962.

Adding to 30206490 its reverse (9460203), we get a palindrome (39666693).

The spelling of 30206490 in words is "thirty million, two hundred six thousand, four hundred ninety".