1428682 has 4 divisors (see below), whose sum is σ = 2143026. Its totient is φ = 714340.

The previous prime is 1428677. The next prime is 1428689. The reversal of 1428682 is 2868241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2868241 = 103 ⋅27847.

It can be written as a sum of positive squares in only one way, i.e., 1418481 + 10201 = 1191^2 + 101^2 .

It is a super-2 number, since 2×1428682² = 4082264514248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1428689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357169 + ... + 357172.

2^1428682 is an apocalyptic number.

1428682 is a deficient number, since it is larger than the sum of its proper divisors (714344).

1428682 is an equidigital number, since it uses as much as digits as its factorization.

1428682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714343.

The product of its digits is 6144, while the sum is 31.

The square root of 1428682 is about 1195.2748637866. The cubic root of 1428682 is about 112.6276936889.

The spelling of 1428682 in words is "one million, four hundred twenty-eight thousand, six hundred eighty-two".