11940258 has 32 divisors (see below), whose sum is σ = 26298432. Its totient is φ = 3584000.

The previous prime is 11940251. The next prime is 11940259. The reversal of 11940258 is 85204911.

It is a happy number.

It is a super-2 number, since 2×11940258² = 285139522213128, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11940251) 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 15 ways as a sum of consecutive naturals, for example, 6658 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (821826).

Almost surely, 2^11940258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11940258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13149216).

11940258 is an abundant number, since it is smaller than the sum of its proper divisors (14358174).

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

11940258 is a wasteful number, since it uses less digits than its factorization.

11940258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11940258 is about 3455.4678409732. The cubic root of 11940258 is about 228.5622856090.

The spelling of 11940258 in words is "eleven million, nine hundred forty thousand, two hundred fifty-eight".