58440397 has 8 divisors (see below), whose sum is σ = 60930144. Its totient is φ = 56002128.

The previous prime is 58440391. The next prime is 58440419. The reversal of 58440397 is 79304485.

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

It is a cyclic number.

It is not a de Polignac number, because 58440397 - 2¹⁹ = 57916109 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 (58440391) 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, 10543 + ... + 15100.

It is an arithmetic number, because the mean of its divisors is an integer number (7616268).

Almost surely, 2^58440397 is an apocalyptic number.

It is an amenable number.

58440397 is a deficient number, since it is larger than the sum of its proper divisors (2489747).

58440397 is a wasteful number, since it uses less digits than its factorization.

58440397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25739.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 58440397 is about 7644.6319074237. The cubic root of 58440397 is about 388.0649203198.

The spelling of 58440397 in words is "fifty-eight million, four hundred forty thousand, three hundred ninety-seven".