428013902 has 16 divisors (see below), whose sum is σ = 662029200. Its totient is φ = 207435072.

The previous prime is 428013899. The next prime is 428013917. The reversal of 428013902 is 209310824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15527 + ... + 33122.

It is an arithmetic number, because the mean of its divisors is an integer number (41376825).

Almost surely, 2^428013902 is an apocalyptic number.

428013902 is a deficient number, since it is larger than the sum of its proper divisors (234015298).

428013902 is a wasteful number, since it uses less digits than its factorization.

428013902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48787.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 428013902 is about 20688.4968521157. The cubic root of 428013902 is about 753.6203636877.

The spelling of 428013902 in words is "four hundred twenty-eight million, thirteen thousand, nine hundred two".