11641930 has 8 divisors (see below), whose sum is σ = 20955492. Its totient is φ = 4656768.

The previous prime is 11641919. The next prime is 11641937. The reversal of 11641930 is 3914611.

It can be written as a sum of positive squares in 2 ways, for example, as 10131489 + 1510441 = 3183^2 + 1229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11641895 and 11641904.

It is not an unprimeable number, because it can be changed into a prime (11641937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582087 + ... + 582106.

Almost surely, 2^11641930 is an apocalyptic number.

11641930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11641930 is a deficient number, since it is larger than the sum of its proper divisors (9313562).

11641930 is a wasteful number, since it uses less digits than its factorization.

11641930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164200.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11641930 is about 3412.0272566320. The cubic root of 11641930 is about 226.6426613371.

The spelling of 11641930 in words is "eleven million, six hundred forty-one thousand, nine hundred thirty".