1428416 has 28 divisors (see below), whose sum is σ = 3093720. Its totient is φ = 648960.

The previous prime is 1428409. The next prime is 1428419. The reversal of 1428416 is 6148241.

It is a congruent 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, 311 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (110490).

2^1428416 is an apocalyptic number.

1428416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1428416 is an abundant number, since it is smaller than the sum of its proper divisors (1665304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428416 is a wasteful number, since it uses less digits than its factorization.

1428416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2042 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1428416 is about 1195.1635871294. The cubic root of 1428416 is about 112.6207033706.

It can be divided in two parts, 142 and 8416, that added together give a palindrome (8558).

The spelling of 1428416 in words is "one million, four hundred twenty-eight thousand, four hundred sixteen".