330001405 has 8 divisors (see below), whose sum is σ = 416844000. Its totient is φ = 250106256.

The previous prime is 330001403. The next prime is 330001439. The reversal of 330001405 is 504100033.

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 330001405 - 2¹ = 330001403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330001403) 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, 1736755 + ... + 1736944.

It is an arithmetic number, because the mean of its divisors is an integer number (52105500).

Almost surely, 2^330001405 is an apocalyptic number.

It is an amenable number.

330001405 is a deficient number, since it is larger than the sum of its proper divisors (86842595).

330001405 is a wasteful number, since it uses less digits than its factorization.

330001405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473723.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 330001405 is about 18165.9407958960. The cubic root of 330001405 is about 691.0433037214.

Adding to 330001405 its reverse (504100033), we get a palindrome (834101438).

The spelling of 330001405 in words is "three hundred thirty million, one thousand, four hundred five".