1427469 has 4 divisors (see below), whose sum is σ = 1903296. Its totient is φ = 951644.

The previous prime is 1427453. The next prime is 1427479. The reversal of 1427469 is 9647241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9647241 = 3 ⋅3215747.

It is a cyclic number.

It is not a de Polignac number, because 1427469 - 2⁴ = 1427453 is a prime.

It is a super-2 number, since 2×1427469² = 4075335491922, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427479) 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, 237909 + ... + 237914.

It is an arithmetic number, because the mean of its divisors is an integer number (475824).

2^1427469 is an apocalyptic number.

It is an amenable number.

1427469 is a deficient number, since it is larger than the sum of its proper divisors (475827).

1427469 is an equidigital number, since it uses as much as digits as its factorization.

1427469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475826.

The product of its digits is 12096, while the sum is 33.

The square root of 1427469 is about 1194.7673413682. The cubic root of 1427469 is about 112.5958097393.

It can be divided in two parts, 14274 and 69, that multiplied together give a triangular number (984906 = T₁₄₀₃).

The spelling of 1427469 in words is "one million, four hundred twenty-seven thousand, four hundred sixty-nine".