428679654 has 24 divisors (see below), whose sum is σ = 928385352. Its totient is φ = 131901120.

The previous prime is 428679649. The next prime is 428679661. The reversal of 428679654 is 456976824.

It is a junction number, because it is equal to n+sod(n) for n = 428679597 and 428679606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210367 + ... + 212394.

It is an arithmetic number, because the mean of its divisors is an integer number (38682723).

Almost surely, 2^428679654 is an apocalyptic number.

428679654 is an abundant number, since it is smaller than the sum of its proper divisors (499705698).

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

428679654 is a wasteful number, since it uses less digits than its factorization.

428679654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422792 (or 422779 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 428679654 is about 20704.5805077041. The cubic root of 428679654 is about 754.0108995650.

The spelling of 428679654 in words is "four hundred twenty-eight million, six hundred seventy-nine thousand, six hundred fifty-four".