599999401 has 4 divisors (see below), whose sum is σ = 600049152. Its totient is φ = 599949652.

The previous prime is 599999381. The next prime is 599999419. The reversal of 599999401 is 104999995.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 104999995 = 5 ⋅20999999.

It is a cyclic number.

It is not a de Polignac number, because 599999401 - 2¹⁷ = 599868329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (599999431) 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, 5940 + ... + 35146.

It is an arithmetic number, because the mean of its divisors is an integer number (150012288).

Almost surely, 2^599999401 is an apocalyptic number.

It is an amenable number.

599999401 is a deficient number, since it is larger than the sum of its proper divisors (49751).

599999401 is a wasteful number, since it uses less digits than its factorization.

599999401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49750.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The square root of 599999401 is about 24494.8852007924. The cubic root of 599999401 is about 843.4323846260.

It can be divided in two parts, 599 and 999401, that added together give a 6-th power (1000000 = 10⁶).

The spelling of 599999401 in words is "five hundred ninety-nine million, nine hundred ninety-nine thousand, four hundred one".