605055406 has 4 divisors (see below), whose sum is σ = 907583112. Its totient is φ = 302527702.

The previous prime is 605055389. The next prime is 605055421. The reversal of 605055406 is 604550506.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151263850 + ... + 151263853.

It is an arithmetic number, because the mean of its divisors is an integer number (226895778).

Almost surely, 2^605055406 is an apocalyptic number.

605055406 is a deficient number, since it is larger than the sum of its proper divisors (302527706).

605055406 is a wasteful number, since it uses less digits than its factorization.

605055406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302527705.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 605055406 is about 24597.8740138249. The cubic root of 605055406 is about 845.7948735800.

The spelling of 605055406 in words is "six hundred five million, fifty-five thousand, four hundred six".