10408340 has 24 divisors (see below), whose sum is σ = 22160040. Its totient is φ = 4105728.

The previous prime is 10408339. The next prime is 10408357. The reversal of 10408340 is 4380401.

10408340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1752976 + 8655364 = 1324^2 + 2942^2 .

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, 2105 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (923335).

Almost surely, 2^10408340 is an apocalyptic number.

10408340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10408340 is an abundant number, since it is smaller than the sum of its proper divisors (11751700).

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

10408340 is a wasteful number, since it uses less digits than its factorization.

10408340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211 (or 7209 counting only the distinct ones).

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

The square root of 10408340 is about 3226.1959022973. The cubic root of 10408340 is about 218.3369085650.

Adding to 10408340 its reverse (4380401), we get a palindrome (14788741).

The spelling of 10408340 in words is "ten million, four hundred eight thousand, three hundred forty".