428890102 has 8 divisors (see below), whose sum is σ = 646220736. Its totient is φ = 213483192.

The previous prime is 428890061. The next prime is 428890117. The reversal of 428890102 is 201098824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480373 + ... + 481264.

It is an arithmetic number, because the mean of its divisors is an integer number (80777592).

Almost surely, 2^428890102 is an apocalyptic number.

428890102 is a deficient number, since it is larger than the sum of its proper divisors (217330634).

428890102 is a wasteful number, since it uses less digits than its factorization.

428890102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961862.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 428890102 is about 20709.6620445627. The cubic root of 428890102 is about 754.1342660656.

The spelling of 428890102 in words is "four hundred twenty-eight million, eight hundred ninety thousand, one hundred two".