11851490 has 16 divisors (see below), whose sum is σ = 24380352. Its totient is φ = 4063344.

The previous prime is 11851481. The next prime is 11851493. The reversal of 11851490 is 9415811.

It is not an unprimeable number, because it can be changed into a prime (11851493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84584 + ... + 84723.

It is an arithmetic number, because the mean of its divisors is an integer number (1523772).

Almost surely, 2^11851490 is an apocalyptic number.

11851490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11851490 is an abundant number, since it is smaller than the sum of its proper divisors (12528862).

11851490 is a wasteful number, since it uses less digits than its factorization.

11851490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169321.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 11851490 is about 3442.5993086620. The cubic root of 11851490 is about 227.9944725243.

The spelling of 11851490 in words is "eleven million, eight hundred fifty-one thousand, four hundred ninety".