11398090 has 16 divisors (see below), whose sum is σ = 22381920. Its totient is φ = 4144720.

The previous prime is 11398063. The next prime is 11398091. The reversal of 11398090 is 9089311.

It is not an unprimeable number, because it can be changed into a prime (11398091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51700 + ... + 51919.

It is an arithmetic number, because the mean of its divisors is an integer number (1398870).

Almost surely, 2^11398090 is an apocalyptic number.

11398090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11398090 is a deficient number, since it is larger than the sum of its proper divisors (10983830).

11398090 is a wasteful number, since it uses less digits than its factorization.

11398090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103637.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11398090 is about 3376.1057447894. The cubic root of 11398090 is about 225.0491415297.

It can be divided in two parts, 1139 and 8090, that added together give a palindrome (9229).

The spelling of 11398090 in words is "eleven million, three hundred ninety-eight thousand, ninety".