1428674 has 8 divisors (see below), whose sum is σ = 2307900. Its totient is φ = 659376.

The previous prime is 1428673. The next prime is 1428677. The reversal of 1428674 is 4768241.

It can be written as a sum of positive squares in 2 ways, for example, as 1311025 + 117649 = 1145^2 + 343^2 .

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

It is a super-2 number, since 2×1428674² = 4082218796552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1428674.

It is not an unprimeable number, because it can be changed into a prime (1428671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27449 + ... + 27500.

2^1428674 is an apocalyptic number.

1428674 is a deficient number, since it is larger than the sum of its proper divisors (879226).

1428674 is a wasteful number, since it uses less digits than its factorization.

1428674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54964.

The product of its digits is 10752, while the sum is 32.

The square root of 1428674 is about 1195.2715172713. The cubic root of 1428674 is about 112.6274834664.

The spelling of 1428674 in words is "one million, four hundred twenty-eight thousand, six hundred seventy-four".