402404233 has 8 divisors (see below), whose sum is σ = 501698880. Its totient is φ = 313561680.

The previous prime is 402404221. The next prime is 402404239. The reversal of 402404233 is 332404204.

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 402404233 - 2⁵ = 402404201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402404239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612938 + ... + 2613091.

It is an arithmetic number, because the mean of its divisors is an integer number (62712360).

Almost surely, 2^402404233 is an apocalyptic number.

It is an amenable number.

402404233 is a deficient number, since it is larger than the sum of its proper divisors (99294647).

402404233 is a wasteful number, since it uses less digits than its factorization.

402404233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226047.

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

The square root of 402404233 is about 20060.0157776608. The cubic root of 402404233 is about 738.2795636178.

Adding to 402404233 its reverse (332404204), we get a palindrome (734808437).

The spelling of 402404233 in words is "four hundred two million, four hundred four thousand, two hundred thirty-three".