10409418 has 16 divisors (see below), whose sum is σ = 23132160. Its totient is φ = 3469788.

The previous prime is 10409401. The next prime is 10409431. The reversal of 10409418 is 81490401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10409391 and 10409400.

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, 96330 + ... + 96437.

It is an arithmetic number, because the mean of its divisors is an integer number (1445760).

Almost surely, 2^10409418 is an apocalyptic number.

10409418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10409418 is an abundant number, since it is smaller than the sum of its proper divisors (12722742).

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

10409418 is a wasteful number, since it uses less digits than its factorization.

10409418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192778 (or 192772 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 10409418 is about 3226.3629678014. The cubic root of 10409418 is about 218.3444460802.

Adding to 10409418 its reverse (81490401), we get a palindrome (91899819).

The spelling of 10409418 in words is "ten million, four hundred nine thousand, four hundred eighteen".