11438530 has 16 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 4554352.

The previous prime is 11438519. The next prime is 11438543. The reversal of 11438530 is 3583411.

It is a junction number, because it is equal to n+sod(n) for n = 11438495 and 11438504.

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, 250 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^11438530 is an apocalyptic number.

11438530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11438530 is a deficient number, since it is larger than the sum of its proper divisors (9245630).

11438530 is a wasteful number, since it uses less digits than its factorization.

11438530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 11438530 is about 3382.0895907708. The cubic root of 11438530 is about 225.3149827110.

The spelling of 11438530 in words is "eleven million, four hundred thirty-eight thousand, five hundred thirty".