5432391 has 12 divisors (see below), whose sum is σ = 7901400. Its totient is φ = 3596400.

The previous prime is 5432369. The next prime is 5432407. The reversal of 5432391 is 1932345.

It is not a de Polignac number, because 5432391 - 2⁶ = 5432327 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5432311) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 685 + ... + 3366.

It is an arithmetic number, because the mean of its divisors is an integer number (658450).

Almost surely, 2^5432391 is an apocalyptic number.

5432391 is a deficient number, since it is larger than the sum of its proper divisors (2469009).

5432391 is a wasteful number, since it uses less digits than its factorization.

5432391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206 (or 4203 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 5432391 is about 2330.7490212376. The cubic root of 5432391 is about 175.7911499076.

The spelling of 5432391 in words is "five million, four hundred thirty-two thousand, three hundred ninety-one".