428540006 has 8 divisors (see below), whose sum is σ = 653348064. Its totient is φ = 210757320.

The previous prime is 428539997. The next prime is 428540009. The reversal of 428540006 is 600045824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428540009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756190 + ... + 1756433.

It is an arithmetic number, because the mean of its divisors is an integer number (81668508).

Almost surely, 2^428540006 is an apocalyptic number.

428540006 is a deficient number, since it is larger than the sum of its proper divisors (224808058).

428540006 is a wasteful number, since it uses less digits than its factorization.

428540006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512686.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 428540006 is about 20701.2078391576. The cubic root of 428540006 is about 753.9290143709.

The spelling of 428540006 in words is "four hundred twenty-eight million, five hundred forty thousand, six".