30290190 has 64 divisors (see below), whose sum is σ = 83994624. Its totient is φ = 6847488.

The previous prime is 30290179. The next prime is 30290191. The reversal of 30290190 is 9109203.

It is a happy number.

It is a super-2 number, since 2×30290190² = 1834991220472200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30290190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30290191) 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, 19627 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 2^30290190 is an apocalyptic number.

30290190 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 30290190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41997312).

30290190 is an abundant number, since it is smaller than the sum of its proper divisors (53704434).

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

30290190 is a wasteful number, since it uses less digits than its factorization.

30290190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 30290190 is about 5503.6524236183. The cubic root of 30290190 is about 311.7219127982.

Adding to 30290190 its reverse (9109203), we get a palindrome (39399393).

The spelling of 30290190 in words is "thirty million, two hundred ninety thousand, one hundred ninety".