402004219 has 8 divisors (see below), whose sum is σ = 431040960. Its totient is φ = 373566336.

The previous prime is 402004217. The next prime is 402004247. The reversal of 402004219 is 912400204.

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 402004219 - 2¹ = 402004217 is a prime.

It is a super-2 number, since 2×402004219² = 323214784187599922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402004219.

It is not an unprimeable number, because it can be changed into a prime (402004217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148324 + ... + 151009.

It is an arithmetic number, because the mean of its divisors is an integer number (53880120).

Almost surely, 2^402004219 is an apocalyptic number.

402004219 is a deficient number, since it is larger than the sum of its proper divisors (29036741).

402004219 is a wasteful number, since it uses less digits than its factorization.

402004219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299429.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 402004219 is about 20050.0428677846. The cubic root of 402004219 is about 738.0348510898.

The spelling of 402004219 in words is "four hundred two million, four thousand, two hundred nineteen".