428882494 has 16 divisors (see below), whose sum is σ = 685746000. Its totient is φ = 200470144.

The previous prime is 428882471. The next prime is 428882507. The reversal of 428882494 is 494288824.

It is a happy number.

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, 37264 + ... + 47395.

It is an arithmetic number, because the mean of its divisors is an integer number (42859125).

Almost surely, 2^428882494 is an apocalyptic number.

428882494 is a deficient number, since it is larger than the sum of its proper divisors (256863506).

428882494 is a wasteful number, since it uses less digits than its factorization.

428882494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84827.

The product of its digits is 1179648, while the sum is 49.

The square root of 428882494 is about 20709.4783613687. The cubic root of 428882494 is about 754.1298068911.

The spelling of 428882494 in words is "four hundred twenty-eight million, eight hundred eighty-two thousand, four hundred ninety-four".