11802390 has 16 divisors (see below), whose sum is σ = 28325808. Its totient is φ = 3147296.

The previous prime is 11802389. The next prime is 11802397. The reversal of 11802390 is 9320811.

It is a self number, because there is not a number n which added to its sum of digits gives 11802390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802397) by changing a digit.

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, 196677 + ... + 196736.

It is an arithmetic number, because the mean of its divisors is an integer number (1770363).

Almost surely, 2^11802390 is an apocalyptic number.

11802390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11802390 is an abundant number, since it is smaller than the sum of its proper divisors (16523418).

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

11802390 is a wasteful number, since it uses less digits than its factorization.

11802390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393423.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11802390 is about 3435.4606677999. The cubic root of 11802390 is about 227.6791809815.

It can be divided in two parts, 1180 and 2390, that added together give a triangular number (3570 = T₈₄).

The spelling of 11802390 in words is "eleven million, eight hundred two thousand, three hundred ninety".