428672410 has 8 divisors (see below), whose sum is σ = 771610356. Its totient is φ = 171468960.

The previous prime is 428672401. The next prime is 428672441. The reversal of 428672410 is 14276824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423906921 + 4765489 = 20589^2 + 2183^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21433611 + ... + 21433630.

Almost surely, 2^428672410 is an apocalyptic number.

428672410 is a deficient number, since it is larger than the sum of its proper divisors (342937946).

428672410 is a wasteful number, since it uses less digits than its factorization.

428672410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42867248.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 428672410 is about 20704.4055698298. The cubic root of 428672410 is about 754.0066523486.

The spelling of 428672410 in words is "four hundred twenty-eight million, six hundred seventy-two thousand, four hundred ten".