11861908 has 6 divisors (see below), whose sum is σ = 20758346. Its totient is φ = 5930952.

The previous prime is 11861887. The next prime is 11861917. The reversal of 11861908 is 80916811.

It can be written as a sum of positive squares in only one way, i.e., 7118224 + 4743684 = 2668^2 + 2178^2 .

It is a super-2 number, since 2×11861908² = 281409722800928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1482735 + ... + 1482742.

Almost surely, 2^11861908 is an apocalyptic number.

It is an amenable number.

11861908 is a deficient number, since it is larger than the sum of its proper divisors (8896438).

11861908 is a wasteful number, since it uses less digits than its factorization.

11861908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965481 (or 2965479 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 11861908 is about 3444.1120771543. The cubic root of 11861908 is about 228.0612588038.

It can be divided in two parts, 11861 and 908, that added together give a square (12769 = 113²).

The spelling of 11861908 in words is "eleven million, eight hundred sixty-one thousand, nine hundred eight".