601716399 has 4 divisors (see below), whose sum is σ = 802288536. Its totient is φ = 401144264.

The previous prime is 601716373. The next prime is 601716407. The reversal of 601716399 is 993617106.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 601716399 - 2¹² = 601712303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 601716399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601716359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100286064 + ... + 100286069.

It is an arithmetic number, because the mean of its divisors is an integer number (200572134).

Almost surely, 2^601716399 is an apocalyptic number.

601716399 is a deficient number, since it is larger than the sum of its proper divisors (200572137).

601716399 is a wasteful number, since it uses less digits than its factorization.

601716399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200572136.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 601716399 is about 24529.9082550261. The cubic root of 601716399 is about 844.2361590478.

The spelling of 601716399 in words is "six hundred one million, seven hundred sixteen thousand, three hundred ninety-nine".