1427284 has 6 divisors (see below), whose sum is σ = 2497754. Its totient is φ = 713640.

The previous prime is 1427281. The next prime is 1427291. The reversal of 1427284 is 4827241.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 386884 = 1020^2 + 622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427281) 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, 178407 + ... + 178414.

2^1427284 is an apocalyptic number.

It is an amenable number.

1427284 is a deficient number, since it is larger than the sum of its proper divisors (1070470).

1427284 is a wasteful number, since it uses less digits than its factorization.

1427284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356825 (or 356823 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 1427284 is about 1194.6899179285. The cubic root of 1427284 is about 112.5909453897.

It can be divided in two parts, 1427 and 284, that added together give a triangular number (1711 = T₅₈).

The spelling of 1427284 in words is "one million, four hundred twenty-seven thousand, two hundred eighty-four".