5400939 has 4 divisors (see below), whose sum is σ = 7201256. Its totient is φ = 3600624.

The previous prime is 5400881. The next prime is 5400949. The reversal of 5400939 is 9390045.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5400939 - 2¹¹ = 5398891 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5400949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900154 + ... + 900159.

It is an arithmetic number, because the mean of its divisors is an integer number (1800314).

Almost surely, 2^5400939 is an apocalyptic number.

5400939 is a deficient number, since it is larger than the sum of its proper divisors (1800317).

5400939 is a wasteful number, since it uses less digits than its factorization.

5400939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800316.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 5400939 is about 2323.9920395733. The cubic root of 5400939 is about 175.4512327873.

The spelling of 5400939 in words is "five million, four hundred thousand, nine hundred thirty-nine".