403220434 has 8 divisors (see below), whose sum is σ = 608836608. Its totient is φ = 200274900.

The previous prime is 403220423. The next prime is 403220453. The reversal of 403220434 is 434022304.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667282 + ... + 667885.

It is an arithmetic number, because the mean of its divisors is an integer number (76104576).

Almost surely, 2^403220434 is an apocalyptic number.

403220434 is a deficient number, since it is larger than the sum of its proper divisors (205616174).

403220434 is a wasteful number, since it uses less digits than its factorization.

403220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335320.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 403220434 is about 20080.3494491505. The cubic root of 403220434 is about 738.7783800794.

Adding to 403220434 its reverse (434022304), we get a palindrome (837242738).

The spelling of 403220434 in words is "four hundred three million, two hundred twenty thousand, four hundred thirty-four".