5911421 has 8 divisors (see below), whose sum is σ = 6252288. Its totient is φ = 5580000.

The previous prime is 5911417. The next prime is 5911439. The reversal of 5911421 is 1241195.

It is a happy number.

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

It is not a de Polignac number, because 5911421 - 2² = 5911417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5911481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (781536).

Almost surely, 2^5911421 is an apocalyptic number.

It is an amenable number.

5911421 is a deficient number, since it is larger than the sum of its proper divisors (340867).

5911421 is a wasteful number, since it uses less digits than its factorization.

5911421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its digits is 360, while the sum is 23.

The square root of 5911421 is about 2431.3413993103. The cubic root of 5911421 is about 180.8134072112.

The spelling of 5911421 in words is "five million, nine hundred eleven thousand, four hundred twenty-one".