11857340 has 24 divisors (see below), whose sum is σ = 27164592. Its totient is φ = 4311680.

The previous prime is 11857333. The next prime is 11857361. The reversal of 11857340 is 4375811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26729 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (1131858).

Almost surely, 2^11857340 is an apocalyptic number.

11857340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11857340 is an abundant number, since it is smaller than the sum of its proper divisors (15307252).

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

11857340 is a wasteful number, since it uses less digits than its factorization.

11857340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53917 (or 53915 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 11857340 is about 3443.4488525314. The cubic root of 11857340 is about 228.0319797145.

It can be divided in two parts, 11857 and 340, that multiplied together give a triangular number (4031380 = T₂₈₃₉).

The spelling of 11857340 in words is "eleven million, eight hundred fifty-seven thousand, three hundred forty".