6011391 has 16 divisors (see below), whose sum is σ = 8490240. Its totient is φ = 3772800.

The previous prime is 6011377. The next prime is 6011399. The reversal of 6011391 is 1931106.

It is a happy number.

It is not a de Polignac number, because 6011391 - 2⁵ = 6011359 is a prime.

It is a super-2 number, since 2×6011391² = 72273643509762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6011399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14791 + ... + 15191.

It is an arithmetic number, because the mean of its divisors is an integer number (530640).

Almost surely, 2^6011391 is an apocalyptic number.

6011391 is a deficient number, since it is larger than the sum of its proper divisors (2478849).

6011391 is a wasteful number, since it uses less digits than its factorization.

6011391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 6011391 is about 2451.8138183802. The cubic root of 6011391 is about 181.8269800364.

Adding to 6011391 its reverse (1931106), we get a palindrome (7942497).

The spelling of 6011391 in words is "six million, eleven thousand, three hundred ninety-one".