1427004 has 48 divisors (see below), whose sum is σ = 3771040. Its totient is φ = 466560.

The previous prime is 1426991. The next prime is 1427017. The reversal of 1427004 is 4007241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1426991) and next prime (1427017).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7794 + ... + 7974.

2^1427004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885520).

1427004 is an abundant number, since it is smaller than the sum of its proper divisors (2344036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427004 is a wasteful number, since it uses less digits than its factorization.

1427004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1427004 is about 1194.5727269614. The cubic root of 1427004 is about 112.5835823312.

The spelling of 1427004 in words is "one million, four hundred twenty-seven thousand, four".