1427945 has 8 divisors (see below), whose sum is σ = 1803840. Its totient is φ = 1082160.

The previous prime is 1427927. The next prime is 1427957. The reversal of 1427945 is 5497241.

It is a happy number.

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

It is not a de Polignac number, because 1427945 - 2¹⁶ = 1362409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7421 + ... + 7610.

It is an arithmetic number, because the mean of its divisors is an integer number (225480).

2^1427945 is an apocalyptic number.

It is an amenable number.

1427945 is a deficient number, since it is larger than the sum of its proper divisors (375895).

1427945 is a wasteful number, since it uses less digits than its factorization.

1427945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055.

The product of its digits is 10080, while the sum is 32.

The square root of 1427945 is about 1194.9665267278. The cubic root of 1427945 is about 112.6083236477.

The spelling of 1427945 in words is "one million, four hundred twenty-seven thousand, nine hundred forty-five".