5391406 has 4 divisors (see below), whose sum is σ = 8087112. Its totient is φ = 2695702.

The previous prime is 5391401. The next prime is 5391413. The reversal of 5391406 is 6041935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6041935 = 5 ⋅1208387.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5391401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347850 + ... + 1347853.

It is an arithmetic number, because the mean of its divisors is an integer number (2021778).

Almost surely, 2^5391406 is an apocalyptic number.

5391406 is a deficient number, since it is larger than the sum of its proper divisors (2695706).

5391406 is a wasteful number, since it uses less digits than its factorization.

5391406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695705.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5391406 is about 2321.9401370406. The cubic root of 5391406 is about 175.3479444742.

The spelling of 5391406 in words is "five million, three hundred ninety-one thousand, four hundred six".