11301890 has 16 divisors (see below), whose sum is σ = 20450232. Its totient is φ = 4497024.

The previous prime is 11301869. The next prime is 11301893. The reversal of 11301890 is 9810311.

It can be written as a sum of positive squares in 4 ways, for example, as 8814961 + 2486929 = 2969^2 + 1577^2 .

It is not an unprimeable number, because it can be changed into a prime (11301893) 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, 899 + ... + 4838.

Almost surely, 2^11301890 is an apocalyptic number.

11301890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11301890 is a deficient number, since it is larger than the sum of its proper divisors (9148342).

11301890 is a wasteful number, since it uses less digits than its factorization.

11301890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11301890 is about 3361.8283715859. The cubic root of 11301890 is about 224.4142128531.

The spelling of 11301890 in words is "eleven million, three hundred one thousand, eight hundred ninety".