427605199 has 8 divisors (see below), whose sum is σ = 517438368. Its totient is φ = 344958720.

The previous prime is 427605193. The next prime is 427605223. The reversal of 427605199 is 991506724.

It is a happy number.

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 427605199 - 2¹⁷ = 427474127 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 (427605193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796542 + ... + 1796779.

It is an arithmetic number, because the mean of its divisors is an integer number (64679796).

Almost surely, 2^427605199 is an apocalyptic number.

427605199 is a deficient number, since it is larger than the sum of its proper divisors (89833169).

427605199 is a wasteful number, since it uses less digits than its factorization.

427605199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593345.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 427605199 is about 20678.6169508505. The cubic root of 427605199 is about 753.3804143224.

The spelling of 427605199 in words is "four hundred twenty-seven million, six hundred five thousand, one hundred ninety-nine".