11490402 has 144 divisors (see below), whose sum is σ = 32749920. Its totient is φ = 2661120.

The previous prime is 11490397. The next prime is 11490407. The reversal of 11490402 is 20409411.

11490402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11490397) and next prime (11490407).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11490407) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 604749 + ... + 604767.

It is an arithmetic number, because the mean of its divisors is an integer number (227430).

Almost surely, 2^11490402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11490402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16374960).

11490402 is an abundant number, since it is smaller than the sum of its proper divisors (21259518).

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

11490402 is a wasteful number, since it uses less digits than its factorization.

11490402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 59 counting only the distinct ones).

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

The square root of 11490402 is about 3389.7495482705. The cubic root of 11490402 is about 225.6550589296.

Adding to 11490402 its reverse (20409411), we get a palindrome (31899813).

The spelling of 11490402 in words is "eleven million, four hundred ninety thousand, four hundred two".