30300990 has 16 divisors (see below), whose sum is σ = 72722448. Its totient is φ = 8080256.

The previous prime is 30300983. The next prime is 30300997. The reversal of 30300990 is 9900303.

It is an interprime number because it is at equal distance from previous prime (30300983) and next prime (30300997).

It is a self number, because there is not a number n which added to its sum of digits gives 30300990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504987 + ... + 505046.

It is an arithmetic number, because the mean of its divisors is an integer number (4545153).

Almost surely, 2^30300990 is an apocalyptic number.

30300990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30300990 is an abundant number, since it is smaller than the sum of its proper divisors (42421458).

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

30300990 is a wasteful number, since it uses less digits than its factorization.

30300990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010043.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 30300990 is about 5504.6335027865. The cubic root of 30300990 is about 311.7589566576.

The spelling of 30300990 in words is "thirty million, three hundred thousand, nine hundred ninety".