403421601 has 8 divisors (see below), whose sum is σ = 586795104. Its totient is φ = 244497920.

The previous prime is 403421597. The next prime is 403421621. The reversal of 403421601 is 106124304.

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 403421601 - 2² = 403421597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403421621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6112416 + ... + 6112481.

It is an arithmetic number, because the mean of its divisors is an integer number (73349388).

Almost surely, 2^403421601 is an apocalyptic number.

It is an amenable number.

403421601 is a deficient number, since it is larger than the sum of its proper divisors (183373503).

403421601 is a wasteful number, since it uses less digits than its factorization.

403421601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224911.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 403421601 is about 20085.3578758259. The cubic root of 403421601 is about 738.9012186970.

Adding to 403421601 its reverse (106124304), we get a palindrome (509545905).

The spelling of 403421601 in words is "four hundred three million, four hundred twenty-one thousand, six hundred one".