30336390 has 96 divisors (see below), whose sum is σ = 94145760. Its totient is φ = 6931008.

The previous prime is 30336389. The next prime is 30336401. The reversal of 30336390 is 9363303.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12084 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (980685).

Almost surely, 2^30336390 is an apocalyptic number.

30336390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30336390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47072880).

30336390 is an abundant number, since it is smaller than the sum of its proper divisors (63809370).

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

30336390 is a wasteful number, since it uses less digits than its factorization.

30336390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

The square root of 30336390 is about 5507.8480371194. The cubic root of 30336390 is about 311.8803165212.

Adding to 30336390 its reverse (9363303), we get a palindrome (39699693).

The spelling of 30336390 in words is "thirty million, three hundred thirty-six thousand, three hundred ninety".