428701002 has 64 divisors (see below), whose sum is σ = 970631424. Its totient is φ = 125480960.

The previous prime is 428701001. The next prime is 428701003. The reversal of 428701002 is 200107824.

It is an interprime number because it is at equal distance from previous prime (428701001) and next prime (428701003).

It is not an unprimeable number, because it can be changed into a prime (428701001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93958 + ... + 98414.

It is an arithmetic number, because the mean of its divisors is an integer number (15166116).

Almost surely, 2^428701002 is an apocalyptic number.

428701002 is an abundant number, since it is smaller than the sum of its proper divisors (541930422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428701002 is a wasteful number, since it uses less digits than its factorization.

428701002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 428701002 is about 20705.0960393812. The cubic root of 428701002 is about 754.0234157935.

Adding to 428701002 its reverse (200107824), we get a palindrome (628808826).

The spelling of 428701002 in words is "four hundred twenty-eight million, seven hundred one thousand, two".