5401438 has 8 divisors (see below), whose sum is σ = 9259632. Its totient is φ = 2314896.

The previous prime is 5401433. The next prime is 5401439. The reversal of 5401438 is 8341045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 192895 + ... + 192922.

It is an arithmetic number, because the mean of its divisors is an integer number (1157454).

Almost surely, 2^5401438 is an apocalyptic number.

5401438 is a deficient number, since it is larger than the sum of its proper divisors (3858194).

5401438 is a wasteful number, since it uses less digits than its factorization.

5401438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385826.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 5401438 is about 2324.0993954648. The cubic root of 5401438 is about 175.4566360125.

The spelling of 5401438 in words is "five million, four hundred one thousand, four hundred thirty-eight".