30411090 has 24 divisors (see below), whose sum is σ = 79069068. Its totient is φ = 8109600.

The previous prime is 30411061. The next prime is 30411091. The reversal of 30411090 is 9011403.

It can be written as a sum of positive squares in 2 ways, for example, as 26286129 + 4124961 = 5127^2 + 2031^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30411091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168861 + ... + 169040.

Almost surely, 2^30411090 is an apocalyptic number.

30411090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30411090 is an abundant number, since it is smaller than the sum of its proper divisors (48657978).

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

30411090 is a wasteful number, since it uses less digits than its factorization.

30411090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337914 (or 337911 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 30411090 is about 5514.6251005848. The cubic root of 30411090 is about 312.1360969364.

Adding to 30411090 its reverse (9011403), we get a palindrome (39422493).

The spelling of 30411090 in words is "thirty million, four hundred eleven thousand, ninety".