473428387 has 2 divisors, whose sum is σ = 473428388. Its totient is φ = 473428386.

The previous prime is 473428379. The next prime is 473428399. The reversal of 473428387 is 783824374.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 473428387 - 2³ = 473428379 is a prime.

It is a super-3 number, since 3×473428387³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (473428327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236714193 + 236714194.

It is an arithmetic number, because the mean of its divisors is an integer number (236714194).

Almost surely, 2^473428387 is an apocalyptic number.

473428387 is a deficient number, since it is larger than the sum of its proper divisors (1).

473428387 is an equidigital number, since it uses as much as digits as its factorization.

473428387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 46.

The square root of 473428387 is about 21758.4095696354. The cubic root of 473428387 is about 779.3839026003.

The spelling of 473428387 in words is "four hundred seventy-three million, four hundred twenty-eight thousand, three hundred eighty-seven".