10985340 has 24 divisors (see below), whose sum is σ = 30759120. Its totient is φ = 2929408.

The previous prime is 10985321. The next prime is 10985341. The reversal of 10985340 is 4358901.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10985298 and 10985307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10985341) 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, 91485 + ... + 91604.

It is an arithmetic number, because the mean of its divisors is an integer number (1281630).

Almost surely, 2^10985340 is an apocalyptic number.

10985340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10985340 is an abundant number, since it is smaller than the sum of its proper divisors (19773780).

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

10985340 is a wasteful number, since it uses less digits than its factorization.

10985340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183101 (or 183099 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10985340 is about 3314.4139753507. The cubic root of 10985340 is about 222.2991665032.

It can be divided in two parts, 10985 and 340, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 10985340 in words is "ten million, nine hundred eighty-five thousand, three hundred forty".