11990485 has 16 divisors (see below), whose sum is σ = 16032240. Its totient is φ = 8547840.

The previous prime is 11990483. The next prime is 11990509. The reversal of 11990485 is 58409911.

It can be written as a sum of positive squares in 8 ways, for example, as 1705636 + 10284849 = 1306^2 + 3207^2 .

It is not a de Polignac number, because 11990485 - 2¹ = 11990483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (1002015).

Almost surely, 2^11990485 is an apocalyptic number.

It is an amenable number.

11990485 is a deficient number, since it is larger than the sum of its proper divisors (4041755).

11990485 is a wasteful number, since it uses less digits than its factorization.

11990485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 11990485 is about 3462.7279708346. The cubic root of 11990485 is about 228.8823216435.

The spelling of 11990485 in words is "eleven million, nine hundred ninety thousand, four hundred eighty-five".