433140421 has 8 divisors (see below), whose sum is σ = 497753984. Its totient is φ = 369210960.

The previous prime is 433140349. The next prime is 433140427. The reversal of 433140421 is 124041334.

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

It is a cyclic number.

It is not a de Polignac number, because 433140421 - 2⁷ = 433140293 is a prime.

It is a super-2 number, since 2×433140421² = 375221248608114482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 433140392 and 433140401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433140427) 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, 169665 + ... + 172198.

It is an arithmetic number, because the mean of its divisors is an integer number (62219248).

Almost surely, 2^433140421 is an apocalyptic number.

It is an amenable number.

433140421 is a deficient number, since it is larger than the sum of its proper divisors (64613563).

433140421 is a wasteful number, since it uses less digits than its factorization.

433140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342051.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 433140421 is about 20812.0258744794. The cubic root of 433140421 is about 756.6172493446.

Adding to 433140421 its reverse (124041334), we get a palindrome (557181755).

The spelling of 433140421 in words is "four hundred thirty-three million, one hundred forty thousand, four hundred twenty-one".