30563490 has 32 divisors (see below), whose sum is σ = 74183040. Its totient is φ = 8057984.

The previous prime is 30563483. The next prime is 30563513. The reversal of 30563490 is 9436503.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3054 + ... + 8393.

It is an arithmetic number, because the mean of its divisors is an integer number (2318220).

Almost surely, 2^30563490 is an apocalyptic number.

30563490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30563490 is an abundant number, since it is smaller than the sum of its proper divisors (43619550).

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

30563490 is a wasteful number, since it uses less digits than its factorization.

30563490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 30563490 is about 5528.4256348440. The cubic root of 30563490 is about 312.6566340107.

Adding to 30563490 its reverse (9436503), we get a palindrome (39999993).

The spelling of 30563490 in words is "thirty million, five hundred sixty-three thousand, four hundred ninety".