1428411 has 4 divisors (see below), whose sum is σ = 1904552. Its totient is φ = 952272.

The previous prime is 1428409. The next prime is 1428419. The reversal of 1428411 is 1148241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1148241 = 3 ⋅382747.

It is not a de Polignac number, because 1428411 - 2¹ = 1428409 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428419) 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, 238066 + ... + 238071.

It is an arithmetic number, because the mean of its divisors is an integer number (476138).

2^1428411 is an apocalyptic number.

1428411 is a deficient number, since it is larger than the sum of its proper divisors (476141).

1428411 is an equidigital number, since it uses as much as digits as its factorization.

1428411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476140.

The product of its digits is 256, while the sum is 21.

The square root of 1428411 is about 1195.1614953637. The cubic root of 1428411 is about 112.6205719653.

The spelling of 1428411 in words is "one million, four hundred twenty-eight thousand, four hundred eleven".