30590490 has 128 divisors (see below), whose sum is σ = 89653248. Its totient is φ = 6531840.

The previous prime is 30590489. The next prime is 30590509. The reversal of 30590490 is 9409503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240807 + ... + 240933.

It is an arithmetic number, because the mean of its divisors is an integer number (700416).

Almost surely, 2^30590490 is an apocalyptic number.

30590490 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 30590490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44826624).

30590490 is an abundant number, since it is smaller than the sum of its proper divisors (59062758).

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

30590490 is a wasteful number, since it uses less digits than its factorization.

30590490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 30590490 is about 5530.8670206397. The cubic root of 30590490 is about 312.7486745959.

Adding to 30590490 its reverse (9409503), we get a palindrome (39999993).

The spelling of 30590490 in words is "thirty million, five hundred ninety thousand, four hundred ninety".