428145862 has 8 divisors (see below), whose sum is σ = 657882792. Its totient is φ = 208851600.

The previous prime is 428145857. The next prime is 428145863. The reversal of 428145862 is 268541824.

It is a happy number.

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 (428145863) 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, 2610564 + ... + 2610727.

It is an arithmetic number, because the mean of its divisors is an integer number (82235349).

Almost surely, 2^428145862 is an apocalyptic number.

428145862 is a deficient number, since it is larger than the sum of its proper divisors (229736930).

428145862 is a wasteful number, since it uses less digits than its factorization.

428145862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221334.

The product of its digits is 122880, while the sum is 40.

The square root of 428145862 is about 20691.6858182218. The cubic root of 428145862 is about 753.6978047274.

The spelling of 428145862 in words is "four hundred twenty-eight million, one hundred forty-five thousand, eight hundred sixty-two".