1427684 has 12 divisors (see below), whose sum is σ = 2510508. Its totient is φ = 710400.

The previous prime is 1427681. The next prime is 1427687. The reversal of 1427684 is 4867241.

It is an interprime number because it is at equal distance from previous prime (1427681) and next prime (1427687).

It can be written as a sum of positive squares in 2 ways, for example, as 850084 + 577600 = 922^2 + 760^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1427684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427681) 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, 224 + ... + 1704.

It is an arithmetic number, because the mean of its divisors is an integer number (209209).

2^1427684 is an apocalyptic number.

It is an amenable number.

1427684 is a deficient number, since it is larger than the sum of its proper divisors (1082824).

1427684 is a wasteful number, since it uses less digits than its factorization.

1427684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1724 counting only the distinct ones).

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

The square root of 1427684 is about 1194.8573136572. The cubic root of 1427684 is about 112.6014623743.

The spelling of 1427684 in words is "one million, four hundred twenty-seven thousand, six hundred eighty-four".