1382427 has 12 divisors (see below), whose sum is σ = 2071160. Its totient is φ = 921456.

The previous prime is 1382419. The next prime is 1382449. The reversal of 1382427 is 7242831.

It is not a de Polignac number, because 1382427 - 2³ = 1382419 is a prime.

It is a super-2 number, since 2×1382427² = 3822208820658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1382427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2602 + ... + 3087.

2^1382427 is an apocalyptic number.

1382427 is a deficient number, since it is larger than the sum of its proper divisors (688733).

1382427 is an frugal number, since it uses more digits than its factorization.

1382427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704 (or 5692 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1382427 is about 1175.7665584630. The cubic root of 1382427 is about 111.3988572502.

It can be divided in two parts, 13824 and 27, that multiplied together give a cube (373248 = 72³).

The spelling of 1382427 in words is "one million, three hundred eighty-two thousand, four hundred twenty-seven".