5981397 has 8 divisors (see below), whose sum is σ = 7990560. Its totient is φ = 3979920.

The previous prime is 5981387. The next prime is 5981411. The reversal of 5981397 is 7931895.

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 5981397 - 2⁸ = 5981141 is a prime.

It is a super-2 number, since 2×5981397² = 71554220143218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5981317) 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, 247 + ... + 3467.

It is an arithmetic number, because the mean of its divisors is an integer number (998820).

Almost surely, 2^5981397 is an apocalyptic number.

It is an amenable number.

5981397 is a deficient number, since it is larger than the sum of its proper divisors (2009163).

5981397 is a wasteful number, since it uses less digits than its factorization.

5981397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843.

The product of its digits is 68040, while the sum is 42.

The square root of 5981397 is about 2445.6894733388. The cubic root of 5981397 is about 181.5240654442.

The spelling of 5981397 in words is "five million, nine hundred eighty-one thousand, three hundred ninety-seven".