30368490 has 64 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 7776000.

The previous prime is 30368489. The next prime is 30368497. The reversal of 30368490 is 9486303.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30368497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120865 + ... + 121115.

It is an arithmetic number, because the mean of its divisors is an integer number (1185030).

Almost surely, 2^30368490 is an apocalyptic number.

30368490 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 30368490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37920960).

30368490 is an abundant number, since it is smaller than the sum of its proper divisors (45473430).

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

30368490 is a wasteful number, since it uses less digits than its factorization.

30368490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30368490 is about 5510.7612904208. The cubic root of 30368490 is about 311.9902815842.

The spelling of 30368490 in words is "thirty million, three hundred sixty-eight thousand, four hundred ninety".