1428654 has 8 divisors (see below), whose sum is σ = 2857320. Its totient is φ = 476216.

The previous prime is 1428649. The next prime is 1428671. The reversal of 1428654 is 4568241.

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

1428654 is an admirable number.

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, 119049 + ... + 119060.

It is an arithmetic number, because the mean of its divisors is an integer number (357165).

2^1428654 is an apocalyptic number.

1428654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1428654 is a wasteful number, since it uses less digits than its factorization.

1428654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238114.

The product of its digits is 7680, while the sum is 30.

The square root of 1428654 is about 1195.2631509421. The cubic root of 1428654 is about 112.6269579068.

The spelling of 1428654 in words is "one million, four hundred twenty-eight thousand, six hundred fifty-four".