5401878 has 16 divisors (see below), whose sum is σ = 10851840. Its totient is φ = 1792616.

The previous prime is 5401867. The next prime is 5401897. The reversal of 5401878 is 8781045.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 3317.

It is an arithmetic number, because the mean of its divisors is an integer number (678240).

Almost surely, 2^5401878 is an apocalyptic number.

5401878 is an abundant number, since it is smaller than the sum of its proper divisors (5449962).

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

5401878 is a wasteful number, since it uses less digits than its factorization.

5401878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 5401878 is about 2324.1940538604. The cubic root of 5401878 is about 175.4614001033.

The spelling of 5401878 in words is "five million, four hundred one thousand, eight hundred seventy-eight".