11857948 has 12 divisors (see below), whose sum is σ = 20777400. Its totient is φ = 5921552.

The previous prime is 11857931. The next prime is 11857969. The reversal of 11857948 is 84975811.

It is a happy number.

It is a super-2 number, since 2×11857948² = 281221861541408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3378 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (1731450).

Almost surely, 2^11857948 is an apocalyptic number.

It is an amenable number.

11857948 is a deficient number, since it is larger than the sum of its proper divisors (8919452).

11857948 is a wasteful number, since it uses less digits than its factorization.

11857948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716 (or 3714 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The square root of 11857948 is about 3443.5371349820. The cubic root of 11857948 is about 228.0358771900.

The spelling of 11857948 in words is "eleven million, eight hundred fifty-seven thousand, nine hundred forty-eight".