1424628 has 30 divisors (see below), whose sum is σ = 3725106. Its totient is φ = 474768.

The previous prime is 1424603. The next prime is 1424659. The reversal of 1424628 is 8264241.

1424628 is a `hidden beast` number, since 14 + 24 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 219024 = 1098^2 + 468^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1875 + ... + 2522.

2^1424628 is an apocalyptic number.

1424628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1424628 is an abundant number, since it is smaller than the sum of its proper divisors (2300478).

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

1424628 is a wasteful number, since it uses less digits than its factorization.

1424628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413 (or 4402 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1424628 is about 1193.5778148072. The cubic root of 1424628 is about 112.5210627230.

Adding to 1424628 its reverse (8264241), we get a palindrome (9688869).

It can be divided in two parts, 14 and 24628, that added together give a palindrome (24642).

The spelling of 1424628 in words is "one million, four hundred twenty-four thousand, six hundred twenty-eight".