1427386 has 8 divisors (see below), whose sum is σ = 2199060. Its totient is φ = 694368.

The previous prime is 1427383. The next prime is 1427389. The reversal of 1427386 is 6837241.

It is an interprime number because it is at equal distance from previous prime (1427383) and next prime (1427389).

It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 148225 = 1131^2 + 385^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1427383) by changing a digit.

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, 9571 + ... + 9718.

2^1427386 is an apocalyptic number.

1427386 is a deficient number, since it is larger than the sum of its proper divisors (771674).

1427386 is a wasteful number, since it uses less digits than its factorization.

1427386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19328.

The product of its digits is 8064, while the sum is 31.

The square root of 1427386 is about 1194.7326060671. The cubic root of 1427386 is about 112.5936274074.

The spelling of 1427386 in words is "one million, four hundred twenty-seven thousand, three hundred eighty-six".