200400001 has 8 divisors (see below), whose sum is σ = 202302144. Its totient is φ = 198503760.

The previous prime is 200399999. The next prime is 200400007. The reversal of 200400001 is 100004002.

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 200400001 - 2¹ = 200399999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200400007) 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, 94980 + ... + 97066.

It is an arithmetic number, because the mean of its divisors is an integer number (25287768).

Almost surely, 2^200400001 is an apocalyptic number.

It is an amenable number.

200400001 is a deficient number, since it is larger than the sum of its proper divisors (1902143).

200400001 is a wasteful number, since it uses less digits than its factorization.

200400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 200400001 is about 14156.2707306691. The cubic root of 200400001 is about 585.1931580234.

Adding to 200400001 its reverse (100004002), we get a palindrome (300404003).

The spelling of 200400001 in words is "two hundred million, four hundred thousand, one".