11490420 has 24 divisors (see below), whose sum is σ = 32173344. Its totient is φ = 3064096.

The previous prime is 11490407. The next prime is 11490439. The reversal of 11490420 is 2409411.

It is a congruent number.

It is an unprimeable number.

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, 95694 + ... + 95813.

It is an arithmetic number, because the mean of its divisors is an integer number (1340556).

Almost surely, 2^11490420 is an apocalyptic number.

11490420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11490420 is an abundant number, since it is smaller than the sum of its proper divisors (20682924).

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

11490420 is a wasteful number, since it uses less digits than its factorization.

11490420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191519 (or 191517 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11490420 is about 3389.7522033329. The cubic root of 11490420 is about 225.6551767609.

Adding to 11490420 its reverse (2409411), we get a palindrome (13899831).

The spelling of 11490420 in words is "eleven million, four hundred ninety thousand, four hundred twenty".