5401406 has 16 divisors (see below), whose sum is σ = 8306064. Its totient is φ = 2633664.

The previous prime is 5401397. The next prime is 5401433. The reversal of 5401406 is 6041045.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 23066 + ... + 23298.

It is an arithmetic number, because the mean of its divisors is an integer number (519129).

Almost surely, 2^5401406 is an apocalyptic number.

5401406 is a deficient number, since it is larger than the sum of its proper divisors (2904658).

5401406 is a wasteful number, since it uses less digits than its factorization.

5401406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5401406 is about 2324.0925110675. The cubic root of 5401406 is about 175.4562895231.

The spelling of 5401406 in words is "five million, four hundred one thousand, four hundred six".