11400857 has 8 divisors (see below), whose sum is σ = 12701640. Its totient is φ = 10160640.

The previous prime is 11400853. The next prime is 11400859. The reversal of 11400857 is 75800411.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 11397376 = 59^2 + 3376^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11400857 - 2² = 11400853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11400853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14744 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (1587705).

Almost surely, 2^11400857 is an apocalyptic number.

It is an amenable number.

11400857 is a deficient number, since it is larger than the sum of its proper divisors (1300783).

11400857 is a wasteful number, since it uses less digits than its factorization.

11400857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30283.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11400857 is about 3376.5155115888. The cubic root of 11400857 is about 225.0673510307.

The spelling of 11400857 in words is "eleven million, four hundred thousand, eight hundred fifty-seven".