5405418 has 12 divisors (see below), whose sum is σ = 11711778. Its totient is φ = 1801800.

The previous prime is 5405381. The next prime is 5405447. The reversal of 5405418 is 8145045.

It can be written as a sum of positive squares in only one way, i.e., 5049009 + 356409 = 2247^2 + 597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5405391 and 5405400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150133 + ... + 150168.

Almost surely, 2^5405418 is an apocalyptic number.

5405418 is an abundant number, since it is smaller than the sum of its proper divisors (6306360).

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

5405418 is a wasteful number, since it uses less digits than its factorization.

5405418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300309 (or 300306 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 5405418 is about 2324.9554834448. The cubic root of 5405418 is about 175.4997199694.

The spelling of 5405418 in words is "five million, four hundred five thousand, four hundred eighteen".