30300690 has 32 divisors (see below), whose sum is σ = 83111040. Its totient is φ = 6925824.

The previous prime is 30300661. The next prime is 30300691. The reversal of 30300690 is 9600303.

It is a super-2 number, since 2×30300690² = 1836263628952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30300691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71935 + ... + 72354.

It is an arithmetic number, because the mean of its divisors is an integer number (2597220).

Almost surely, 2^30300690 is an apocalyptic number.

30300690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30300690 is an abundant number, since it is smaller than the sum of its proper divisors (52810350).

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

30300690 is a wasteful number, since it uses less digits than its factorization.

30300690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144306.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30300690 is about 5504.6062529485. The cubic root of 30300690 is about 311.7579277804.

Adding to 30300690 its reverse (9600303), we get a palindrome (39900993).

The spelling of 30300690 in words is "thirty million, three hundred thousand, six hundred ninety".