428860149 has 8 divisors (see below), whose sum is σ = 591531360. Its totient is φ = 276047856.

The previous prime is 428860147. The next prime is 428860151. The reversal of 428860149 is 941068824.

It is an interprime number because it is at equal distance from previous prime (428860147) and next prime (428860151).

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

It is not a de Polignac number, because 428860149 - 2¹ = 428860147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428860149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428860147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2464627 + ... + 2464800.

It is an arithmetic number, because the mean of its divisors is an integer number (73941420).

Almost surely, 2^428860149 is an apocalyptic number.

It is an amenable number.

428860149 is a deficient number, since it is larger than the sum of its proper divisors (162671211).

428860149 is a wasteful number, since it uses less digits than its factorization.

428860149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929459.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 428860149 is about 20708.9388670690. The cubic root of 428860149 is about 754.1167098125.

The spelling of 428860149 in words is "four hundred twenty-eight million, eight hundred sixty thousand, one hundred forty-nine".