10840340 has 24 divisors (see below), whose sum is σ = 26017152. Its totient is φ = 3716640.

The previous prime is 10840331. The next prime is 10840367. The reversal of 10840340 is 4304801.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 38576 + ... + 38855.

It is an arithmetic number, because the mean of its divisors is an integer number (1084048).

Almost surely, 2^10840340 is an apocalyptic number.

10840340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10840340 is an abundant number, since it is smaller than the sum of its proper divisors (15176812).

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

10840340 is a wasteful number, since it uses less digits than its factorization.

10840340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77447 (or 77445 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10840340 is about 3292.4671600488. The cubic root of 10840340 is about 221.3167587708.

The spelling of 10840340 in words is "ten million, eight hundred forty thousand, three hundred forty".