19264530 has 16 divisors (see below), whose sum is σ = 46234944. Its totient is φ = 5137200.

The previous prime is 19264523. The next prime is 19264541. The reversal of 19264530 is 3546291.

19264530 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×19264530² = 742244232241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 642151 = 19264530 / (1 + 9 + 2 + 6 + 4 + 5 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321046 + ... + 321105.

It is an arithmetic number, because the mean of its divisors is an integer number (2889684).

Almost surely, 2^19264530 is an apocalyptic number.

19264530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19264530 is an abundant number, since it is smaller than the sum of its proper divisors (26970414).

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

19264530 is a wasteful number, since it uses less digits than its factorization.

19264530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642161.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 19264530 is about 4389.1377285294. The cubic root of 19264530 is about 268.0728342176.

The spelling of 19264530 in words is "nineteen million, two hundred sixty-four thousand, five hundred thirty".