1433421 has 12 divisors (see below), whose sum is σ = 2258880. Its totient is φ = 868680.

The previous prime is 1433413. The next prime is 1433437. The reversal of 1433421 is 1243341.

It is not a de Polignac number, because 1433421 - 2³ = 1433413 is a prime.

1433421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1433394 and 1433403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1433021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7141 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (188240).

2^1433421 is an apocalyptic number.

1433421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1433421 is a deficient number, since it is larger than the sum of its proper divisors (825459).

1433421 is a wasteful number, since it uses less digits than its factorization.

1433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14496 (or 14493 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1433421 is about 1197.2556118056. The cubic root of 1433421 is about 112.7520865621.

Adding to 1433421 its reverse (1243341), we get a palindrome (2676762).

The spelling of 1433421 in words is "one million, four hundred thirty-three thousand, four hundred twenty-one".