1427965 has 16 divisors (see below), whose sum is σ = 2136960. Its totient is φ = 889920.

The previous prime is 1427963. The next prime is 1427969. The reversal of 1427965 is 5697241.

It is not a de Polignac number, because 1427965 - 2¹ = 1427963 is a prime.

1427965 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470 + ... + 2239.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2^1427965 is an apocalyptic number.

It is an amenable number.

1427965 is a deficient number, since it is larger than the sum of its proper divisors (708995).

1427965 is a wasteful number, since it uses less digits than its factorization.

1427965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732.

The product of its digits is 15120, while the sum is 34.

The square root of 1427965 is about 1194.9748951338. The cubic root of 1427965 is about 112.6088493813.

The spelling of 1427965 in words is "one million, four hundred twenty-seven thousand, nine hundred sixty-five".