1403427 has 8 divisors (see below), whose sum is σ = 1902160. Its totient is φ = 920160.

The previous prime is 1403417. The next prime is 1403429. The reversal of 1403427 is 7243041.

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

It is not a de Polignac number, because 1403427 - 2⁴ = 1403411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652 + ... + 4017.

It is an arithmetic number, because the mean of its divisors is an integer number (237770).

2^1403427 is an apocalyptic number.

1403427 is a deficient number, since it is larger than the sum of its proper divisors (498733).

1403427 is an equidigital number, since it uses as much as digits as its factorization.

1403427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7733.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1403427 is about 1184.6632432890. The cubic root of 1403427 is about 111.9600995200.

Adding to 1403427 its reverse (7243041), we get a palindrome (8646468).

It can be divided in two parts, 1403 and 427, that added together give a triangular number (1830 = T₆₀).

The spelling of 1403427 in words is "one million, four hundred three thousand, four hundred twenty-seven".